| Y 3.Ac 7 | National Commission on Aids (1987-1988) |
| Y 4.En 2/2 | Ad Hoc Committee on Energy (House) |
| Y 4.Ou 8/2 | Ad Hoc Select Committee on Outer Continental Shelf (House) |
| Y 3.Ad 6 | Administrative Conference of the United States (1964-1995; 2010- ) |
| Y 3.B 78/2 | Advisory Board for Cuba Broadcasting (1983-?) |
| Y 3.C 76/5 | Advisory Commission on Conferences in Ocean Shipping (1991-1992) |
| Y 3.Ad 9/7 | Advisory Commission on Information (1948-1968) |
| Y 3.Ad 9/8 | Advisory Commission on Intergovernmental Relations (1959-1996) |
| Y 3.Ad 9/9 | Advisory Commission on International Educational and Cultural Affairs (1961-1978) |
| Y 3.Ad 9/10 | Advisory Commission on the Arts (1961-1973) |
| Y 3.Ad 9/5 | Advisory Commission on Universal Training (1946-1948) |
| Y 3.Ad 9/2 | Advisory Committee on Education (1937-1939) |
| Y 3.Ad 9/11 | Advisory Committee on Federal Pay (1971-1991) |
| Y 3.Ad 9/1 | Advisory Committee on Fiscal Relations Study (1936-1937) |
| Y 3.C 76/4 | Advisory Committee on the Records of Congress (1990- ) |
| Y 3.Ad 9/4 | Advisory Committee on Voluntary Foreign Aid (1946-1953) |
| Y 3.Ad 9/6 | Advisory Committee on Weather Control (1953-1957) |
| Y 3.H 62 | Advisory Council on Historic Preservation (1966- ) |
| Y 3.P 43/2 | Advisory Council on Intergovernmental Personnel Policy (1973-1974) |
| Y 3.Ad 9/3 | Advisory Council on Social Security (1938) |
| Y 3.Ed 8/6 | Advisory Council on Women's Educational Programs (1976-1988) |
| Y 3.Ae 8 | Aeronautics Board (1916-1948) |
| Y 3.Af 8 | African Development Foundation (1984- ) |
| Y 3.Ai 7/3 | Air Coordinating Committee (1946-1960) |
| Y 3.Ar 5/3 | Air Force-Navy Civil Committee on Aircraft Design Criteria (1948) |
| Y 3.Ai 7 | Aircraft Board (1917-1919) |
| Y 3.Ai 7/4 | Airways Modernization Board (1957-1958) |
| Y 3.Al 1s | Alaska International Rail and Highway Commission (1956-1961) |
| Y 3.H 18 | Alexander Hamilton Bicentennial Commission (1954-1958) |
| Y 3.Am 3 | American Battle Monuments Commission (1923- ) |
| Y 3.Am 3/4 | American Commission for Protection and Salvage of Artistic and Historic Monuments in War Areas 91943-1946) |
| Y 4.In 2/10 | American Indian Policy Review Commission |
| Y 3.Am 3/5 | American National Red Cross (1949-1952) |
| Y 3.Am 3/3 | American Relief Administration (1919-1923) |
| Y 3.Am 3/6 | American Revolution Bicentennial Administration (1973- 1977) |
| Y 3.Am 3/2 | American Samoan Commission (1926-1931) |
| Y 3.Sh 6/2 | American Shipbuilding Commission (1970-1973) |
| Y 3.An 8/2 | Anthracite Coal Commission (1920) |
| Y 3.An 8 | Anthracite Coal Strike Commission (1902-1903) |
| Y 3.Ap 4/2 | Appalachian Regional Commission (1965- ) |
| Y 3.Ar 2 | Architect of the Capitol (1793- ) |
| Y 3.D 27 | Architectural and Transportation Barriers Compliance Board |
| Y 3.F 31/13-2 | Arkansas-White-Red Basins Inter-Agency Committee (1977-1982) |
| Y 3.Ar 5 | Arlington Memorial Amphitheater Commission (1921-1960) |
| Y 3.Ar 5/2 | Arlington Memorial Bridge Commission (1913-1933) |
| Y 3.At 6 | Atlantic-Pacific Interoceanic Canal Study Commission (1964-1970) |
| Y 3.At 7 | Atomic Energy Commission (1946-1974) |
| Y 3.Av 5 | Aviation Advisory Commission (1970-1972) |
| Y 3.Av 5/2 | Aviation Safety Commission (1987-1988) |
| Y 3.B 32/2 | Battle of Lake Erie Sesquicentennial Celebration Commission (1962-1963) |
| Y 3.B 32 | Battle of New Orleans Sesquicentennial Celebration Commission (1962-1965) |
| Y 3.B 45 | Berlin Silver Commission (1894) |
| Y 3.B 54 | Bituminous Coal Commission (1919-1920) |
| Y 3.B 54/2 | Bituminous Coal Consumers' Counsel (1941-1943) |
| Y 3.B 78 | Board for International Broadcasting (1973-1995) |
| Y 3.Ir 6 | Board for Testing Iron, Steel, and Other Metals (1875-1881) |
| Y 3.Ec 74/2 | Board of Economic Warfare (1941-1943) |
| Y 3.F 76/4 | Board of Foreign Scholarships (1946-1990) |
| Y 3.T 19 | Board of Tax Appeals (1924-1942) |
| Y 3.F 77 | Board on Fortifications and Other Defenses (1885-1886) |
| Y 3.B 65 | Boston National Historic Sites Commission (1955-1960) |
| Y 3.Sp 2/7 | Cabinet Committee on Opportunity for the Spanish Speaking Peoples (1970- 1974) |
| Y 3.C 33/6 | Censorship Office (1941-1945) |
| Y 4.C 33/1 | Census Committee (House) |
| Y 4.C 33/2 | Census Committee (Senate) |
| Y 3.C 33/5 | Census of Partial Employment, Unemployment and Occupations (1937-1938) |
| Y 4.C 333 | Centennial of the Establishment of the Seat of Government in Washington Commission (check stem) |
| Y 3.C 33 | Central and South American Commission (1885-1886) |
| Y 3.C 33/3 | Central Housing Committee (1935-1942) |
| Y 3.N 21/17:101 | Central Intelligence Agency (1947-1949) |
| Y 3.C 33/2 | Central Statistical Board (1933-1940) |
| Y 3.C 33/4 | Central Statistical Committee (1935-1939) |
| Y 4.C 49/1 | Civil Service Committee (House) |
| Y 4.C 49/2 | Civil Service Committee (Senate) |
| Y 3.C 49/2 | Civil War Centennial Commission (1957-1966) |
| Y 3.C 49 | Civilian Conservation Corps (1937-1939) |
| Y 3.C 52 | Claims Commission (1871-1875) |
| Y 3.C 63 | Coal Commission (1922-1923) |
| Y 3.C 63/2 | Coastal Plains Regional Commission (1967-1981) |
| Y 3.C 71 | Colorado River Interstate-Government Commission (1923) |
| Y 3.C 72 | Columbia Basin Interagency Committee (1946-1965) |
| Y 3.C 73/3 | Combined Production and Resource Board, United States, Great Britain and Canada (1942-1945) |
| Y 3.C 73/2 | Combined Raw Material Board, United States and Great Britain (1942-1945) |
| Y 4.C 73/1 | Commerce Committee (House) |
| Y 4.C 17/2 | Commission for the Extension of the United States Capitol |
| Y 3.C 88 | Commission for the Improvement of the Federal Crop Insurance Program (1988-1990) |
| Y 3.M 58/2 | Commission for the Study of International Migration and Cooperative Economic Development (1986-1990) |
| Y 4.Ad 6 | Commission on Administrative Review (House) |
| Y 4.Ar 7 | Commission on Art (Senate) |
| Y 3.B 22 | Commission on Bankruptcy Laws of the United States (1970-1973) |
| Y 3.Al 16 | Commission on Disposition of Alcatraz Island (1963-1965) |
| Y 3.Ar 1 | Commission on Erection of Memorials and Entombment of Bodies in Arlington Memorial Amphitheater (1921-1925) |
| Y 3.Ex 3/3 | Commission on Executive, Legislative and Judicial Salaries (1967-1989) |
| Y 3.C 63/3 | Commission on Fair Market Value Policy for Federal Coal Leasing (1983-1984) |
| Y 3.P 19 | Commission on Federal Paperwork (1974-1978) |
| Y 3.G 74/4 | Commission on Government Procurement (1969-1973) |
| Y 3.In 2/7 | Commission on Increased Industrial Use of Agricultural Products (1956-1973) |
| Y 3.In 2/4 | Commission on Industrial Relations (1913-1916) |
| Y 3.In 8/15 | Commission on International Rules of Judicial Procedure (1958) |
| Y 3.N 21/1 | Commission on Naturalization (1905) |
| Y 3.Ob 7 | Commission on Obscenity and Pornography (1967- 1970) |
| Y 3.Or 3 | Commission on Organization of the Executive Branch of the Government (1947-1949) |
| Y 3.Or 3/2 | Commission on Organization of the Executive Branch of the Government (1953-1955) |
| Y 3.F 76/5 | Commission on Organization of the Government for the Conduct of Foreign Policy (1972-1974) |
| Y 3.P 75 | Commission on Political Activity of Government Personnel (1966-1967) |
| Y 3.P 81 | Commission on Population Growth and the American Future (1970) |
| Y 3.P 84/5 | Commission on Postal Service (1976-1977) |
| Y 3.R 13/3 | Commission on Railroad Retirement (1970-1972) |
| Y 3.R 29/2 | Commission on Renovation of the Executive Mansion (1949-1952) |
| Y 3.G 14 | Commission on Review of the National Policy Toward Gambling (1975-1976) |
| Y 3.Ap 4/3 | Commission on Revision of the Federal Court Appellate System (1972-1973) |
| Y 4.Se 2 | Commission on Security and Cooperation in Europe |
| Y 3.Se 5/2 | Commission on the Bicentennial of the U.S. Senate |
| Y 3.B 47/2 | Commission on the Bicentennial of the United States Constitution (1983-1991) |
| Y 3.P 96/5 | Commission on the Conservation and Administration of the Public Domain (1930-1931) |
| Y 4.Se 5/5 | Commission on the Operation of the Senate |
| Y 3.G 57 | Commission on the Role of Gold in Domestic and International Monetary Systems (1981-1982) |
| Y 3.Uk 7 | Commission on the Ukraine Famine |
| Y 3.W 19/10 | Commission on Wartime Relocation (1980-1983) |
| Y 3.M 59 | Commission to Examine the Military Academy (1860) |
| Y 3.Ag 8/1 | Commission to Investigate and Study Agricultural Credits in Europe (1913-1916) |
| Y 3.T 55 | Commission to Investigate Purchase of American-Grown Tobacco by Foreign Governments (1912-1914) |
| Y 3.P 84/1 | Commission to Investigate the Postal Service (1898-1901) |
| Y 3.D 63 | Commission to Investigate Title of United States to Lands in the District of Columbia (1908-1916) |
| Y 3.L 44 | Commission to Revise and Codify the Laws of the United States (1899-1906) |
| Y 3.H 81 | Commission to Supervise Construction of Building for the Offices for the House of Representatives (1905) |
| Y 3.2 | Commissions, Committees, and Boards |
| Y 3.P 97 | Committee for Purchase from People Who Are Blind or Severely Disabled, operating as the U.S. AbilityOne Commission (1971-1974, 1993- ) |
| Y 3.W 58/10 | Committee for the Preservation of the White House (1964- ) |
| Y 3.B 61 | Committee for the Purchase from the Blind and Other Severely Handicapped (1938-1971, 1974-1993) |
| Y 4.Ac 2 | Committee on Accounts (House) |
| Y 4.Ae 8 | Committee on Aeronautical and Space Sciences (Senate) |
| Y 4.Ag 8/1 | Committee on Agriculture (House) |
| Y 4.Ag 8/2 | Committee on Agriculture and Forestry (Senate) |
| Y 4.Ag 8/3 | Committee on Agriculture, Nutrition, and Forestry (Senate) |
| Y 4.Al 1/2 | Committee on Alcohol Liquor Traffic (House) |
| Y 4.Am 3/1 | Committee on American Ship-Building (House) |
| Y 4.Ap 6/1 | Committee on Appropriations (House) |
| Y 4.Ap 6/2 | Committee on Appropriations (Senate) |
| Y 4.Ar 5/2 | Committee on Armed Services (House) |
| Y 4.Ar 5/3 | Committee on Armed Services (Senate) |
| Y 4.B 22/1 | Committee on Banking, Finance and Urban Affairs (House) |
| Y 4.B 22/3 | Committee on Banking, Housing and Urban Affairs (Senate) |
| Y 4.C 52/1 | Committee on Claims (House) |
| Y 4.C 52/2 | Committee on Claims (Senate) |
| Y 4.C 63 | Committee on Coast and Insular Survey (Senate) |
| Y 4.C 66 | Committee on Coinage, Weights and Measures (House) |
| Y 4.C 73/2 | Committee on Commerce (Senate) |
| Y 4.C 73/7 | Committee on Commerce, Science, and Transportation (Senate) |
| Y 4.C 76/7 | Committee on Congressional Operations (Joint) |
| Y 4.C 89 | Committee on Cuba Relations (Senate) |
| Y 3.D 44 | Committee on Department Methods (1903-1909) |
| Y 4.D 63/1 | Committee on District of Columbia (House) |
| Y 4.D 63/2 | Committee on District of Columbia (Senate) |
| Y 4.Ed 8/2 | Committee on Education (House) |
| Y 4.Ed 8/3 | Committee on Education and Labor (Senate) |
| Y 4.Ed 8/1 | Committee on Education and the Workforce (House) |
| Y 4.El 2/2 | Committee on Elections (House) |
| Y 4.C 73/8 | Committee on Energy and Commerce (House) |
| Y 4.En 2/3 | Committee on Energy and Commerce (House) |
| Y 4.En 2 | Committee on Energy and Natural Resources (Senate) |
| Y 4.P 96/10 | Committee on Environment and Public Works (Senate) |
| Y 4.Ep 4/2 | Committee on Epidemic Diseases (Senate) |
| Y 4.St 2/3 | Committee on Ethics (House) |
| Y 4.Ex 7/7 | Committee on Expenditures in Public Buildings (House) |
| Y 4.Ex 7/1 | Committee on Expenditures in the Department of Agriculture (House) |
| Y 4.Ex 7/2 | Committee on Expenditures in the Department of Commerce and Labor (House) |
| Y 4.Ex 7/4 | Committee on Expenditures in the Department of Justice (House) |
| Y 4.Ex 7/13 | Committee on Expenditures in the Executive Departments (House) |
| Y 4.Ex 7/14 | Committee on Expenditures in the Executive Departments (Senate) |
| Y 4.Ex 7/3 | Committee on Expenditures in the Interior Department (House) |
| Y 4.Ex 7/5 | Committee on Expenditures in the Navy Department (House) |
| Y 4.Ex 7/6 | Committee on Expenditures in the Post-Office Department (House) |
| Y 4.Ex 7/8 | Committee on Expenditures in the State Department (House) |
| Y 4.Ex 7/9 | Committee on Expenditures in the Treasury Department (House) |
| Y 4.Ex 7/10 | Committee on Expenditures in the War Department (House) |
| Y 4.F 49 | Committee on Finance (Senate) |
| Y 4.F 49/20 | Committee on Financial Services (House) |
| Y 4.F 53 | Committee on Fisheries (Senate) |
| Y 4.F 65 | Committee on Flood Control (House) |
| Y 4.F 76/1 | Committee on Foreign Affairs (House) |
| Y 4.In 8/16 | Committee on Foreign Affairs (House) |
| Y 4.F 76/2 | Committee on Foreign Relations (Senate) |
| Y 4.F 76/3 | Committee on Forest Reservations and Protection of Game (Senate) |
| Y 4.G 74/6 | Committee on Government Operations (Senate) |
| Y 4.L 11/4 | Committee on Health, Education, Labor, and Pensions (Senate) |
| Y 4.H 75 | Committee on Homeland Security (House) |
| Y 4.G 74/9 | Committee on Homeland Security and Governmental Affairs (Senate) |
| Y 4.H 81/3 | Committee on House Administration |
| Y 4.H 88 | Committee on Human Resources (Senate) |
| Y 4.Im 6/2 | Committee on Immigration (Senate) |
| Y 4.Im 6/1 | Committee on Immigration and Naturalization (House) |
| Y 4.In 2/1 | Committee on Indian Affairs (House) |
| Y 4.In 2/2 | Committee on Indian Affairs (Senate) |
| Y 4.In 2/11 | Committee on Indian Affairs (Senate) |
| Y 4.In 2/4 | Committee on Indian Depredations (Senate) |
| Y 4.In 2/9 | Committee on Indian Service Investigation |
| Y 3.In 2/5 | Committee on Industrial Analysis (1936-1937) |
| Y 4.In 2/7 | Committee on Industrial Arts and Expositions (House) |
| Y 4.In 2/8 | Committee on Industrial Expositions (Senate) |
| Y 4.In 7/1 | Committee on Insular Affairs (House) |
| Y 4.In 8/14 | Committee on Interior and Insular Affairs (House) |
| Y 4.In 8/13 | Committee on Interior and Insular Affairs (Senate) |
| Y 4.In 8/15 | Committee on Internal Security (House) |
| Y 4.In 8/1 | Committee on Interoceanic Canal (Senate) |
| Y 4.In 8/4 | Committee on Interstate and Foreign Commerce (House) |
| Y 4.In 8/3 | Committee on Interstate and Foreign Commerce (Senate) |
| Y 4.In 8/5 | Committee on Invalid Pensions (House) |
| Y 4.In 8/6 | Committee on Investigation and Entrenchment (Senate) |
| Y 4.Ir 7/2 | Committee on Irrigation and Reclamation (House) |
| Y 4.Ir 7/1 | Committee on Irrigation and Reclamation (Senate) |
| Y 4.L 11 | Committee on Labor (House) |
| Y 4.L 11/2 | Committee on Labor and Public Welfare (Senate) |
| Y 4.M 69/2 | Committee on Levies and Improvements of the Mississippi River (Senate) |
| Y 4.M 31/1 | Committee on Manufactures (House) |
| Y 4.M 31/2 | Committee on Manufactures (Senate) |
| Y 4.M 53 | Committee on Merchant Marine and Fisheries (House) |
| Y 4.M 58 | Committee on Mileage (House) |
| Y 4.M 59/1 | Committee on Military Affairs (House) |
| Y 4.M 59/2 | Committee on Military Affairs (Senate) |
| Y 4.M 66/1 | Committee on Mines and Mining (House) |
| Y 4.M 66/2 | Committee on Mines and Mining (Senate) |
| Y 4.R 31/3 | Committee on Natural Resources (House) |
| Y 4.N 22/1 | Committee on Naval Affairs (House) |
| Y 4.N 22/2 | Committee on Naval Affairs (Senate) |
| Y 4.G 74/7 | Committee on Oversight and Government Reform (House) |
| Y 4.P 11/3 | Committee on Pacific Railroad (House) |
| Y 4.P 11/2 | Committee on Pacific Railroad (Senate) |
| Y 4.P 38/1 | Committee on Pensions (House) |
| Y 4.P 38/2 | Committee on Pensions (Senate) |
| Y 4.P 84/10 | Committee on Post Office and Civil Service (House) |
| Y 4.P 84/11 | Committee on Post Office and Civil Service (Senate) |
| Y 4.P 93/2 | Committee on Printing (House) |
| Y 4.P 93/3 | Committee on Printing (Senate) |
| Y 4.P 93/5 | Committee on Private Land Claims (House) |
| Y 4.P 93/7 | Committee on Private Land Claims (Senate) |
| Y 4.P 93/6 | Committee on Privileges and Elections (Senate) |
| Y 4.P 96/6 | Committee on Public Buildings and Grounds (House) |
| Y 4.P 96/7 | Committee on Public Buildings and Grounds (Senate) |
| Y 4.P 96/5 | Committee on Public Expenditures (House) |
| Y 4.P 96/9 | Committee on Public Health and National Quarantine (Senate) |
| Y 3.P 96/3 | Committee on Public Information (1917-1919) |
| Y 4.P 96/2 | Committee on Public Lands (House) |
| Y 4.P 96/1 | Committee on Public Lands (Senate) |
| Y 4.P 96/11 | Committee on Public Works and Transportation (House) |
| Y 4.R 13/2 | Committee on Railroads (Senate) |
| Y 4.R 13 | Committee on Railways and Canals (House) |
| Y 4.C 16 | Committee on Relations with Canada (Senate) |
| Y 4.R 31/1 | Committee on Retrenchment (Senate) |
| Y 4.L 44/2 | Committee on Revision of Laws (House) |
| Y 4.R 52 | Committee on Rivers and Harbors (House) |
| Y 4.R 53/2 | Committee on Roads (House) |
| Y 4.R 53 | Committee on Roads and Canals (Senate) |
| Y 4.R 86/1 | Committee on Rules (House) |
| Y 4.R 86/2 | Committee on Rules and Administration (Senate) |
| Y 3.R 88/3 | Committee on Rural Development (1963-1966) |
| Y 4.Sci 2 | Committee on Science, Space and Technology (House) |
| Y 4.Se 5 | Committee on Senate Contingent Expenses |
| Y 4.Sm 1 | Committee on Small Business (House) |
| Y 4.St 2 | Committee on Standards, Weights and Measures (Senate) |
| Y 4.T 27/1 | Committee on Territories (House) |
| Y 4.T 27/2 | Committee on Territories and Insular Affairs (Senate) |
| Y 4.B 85/3 | Committee on the Budget (House) |
| Y 4.B 85/2 | Committee on the Budget (Senate) |
| Y 4.T 61 | Committee on the Causes of Reduction of American Tonnage |
| Y 4.N 21/1 | Committee on the Conservation of National Resources (Senate) |
| Y 4.Ex 3/2 | Committee on the Disposition of Executive Papers (House) |
| Y 4.El 2/1 | Committee on the Election of the President, Vice-President and Representatives (House) |
| Y 4.J 89/1 | Committee on the Judiciary (House) |
| Y 4.J 89/2 | Committee on the Judiciary (Senate) |
| Y 4.L 61/1 | Committee on the Library (House) |
| Y 4.L 61/3 | Committee on the Library (Senate) |
| Y 4.P 11/1 | Committee on the Pacific Islands and Porto Rico (Senate) |
| Y 4.P 53 | Committee on the Philippines (Senate) |
| Y 4.P 84/1 | Committee on the Post Office and Post Roads (House) |
| Y 4.P 84/2 | Committee on the Post Office and Post Roads (Senate) |
| Y 4.T 68/2 | Committee on Transportation and Infrastructure (House) |
| Y 4.V 56 | Committee on Ventilation and Acoustics (House) |
| Y 4.V 64/3 | Committee on Veterans' Affairs (House) |
| Y 4.V 64/4 | Committee on Veterans' Affairs (Senate) |
| Y4.W 19 | Committee on War Claims (House) |
| Y 4.W 29 | Committee on Water Power |
| Y 4.W 36 | Committee on Ways and Means (House) |
| Y 4.W 89 | Committee on World War Veterans Legislation (House) |
| Y 4.Se 5/3 | Committee to Audit and Control Senate Contingent Expenses |
| Y 4.L 89 | Committee to Investigate the Election of William Lorimer (Senate) |
| Y 4.Un 3/2 | Committee to Investigate the United States Steel Corporation (House) |
| Y 3.C 73 | Commodity Credit Corporation (1933-1939) |
| Y 3.C 73/5 | Commodity Futures Trading Commission (1974- ) |
| Y 3.C 73/6 | Competitiveness Policy Council (1991-1996) |
| Y 4.C 76/1 | Conference Committees (House and Senate) |
| Y 4.M 28 | Congressional Mailing Standards Commission (House) |
| Y 4.C 44 | Congressional-Executive Commission on China (2000- ) |
| Y 3.C 76 | Construction Industry Collective Bargaining Commission (1974-1978) |
| Y 3.C 76/3 | Consumer Product Safety Commission (1972- ) |
| Y 3.C 78/2 | Cooperative Enterprise in Europe Committee (1936- 1937) |
| Y 3.C 78 | Coordinator for Industrial Cooperation (1935-1937) |
| Y 3.C 78/3 | Coordinator for Information (1941-1942) |
| Y 3.N 21/29 | Corporation for National and Community Service (1993- ); Senior Corps (1993- ) |
| Y 3.C 82 | Cost Accounting Standards Board (1970-1981) |
| Y 3.C 83 | Council of National Defense (1916-1918) |
| Y 3.C 831 | Council of National Defense Advisory Commission (1940- 1941) |
| Y 3.M 46/2 | Council on Graduate Medical Education (1987-1996) |
| Y 3.D 36/2 | Defense Base Closure and Realignment Commission (1991-1995) |
| Y 3.D 36 | Defense Manpower Commission (1973-1976) |
| Y 3.D 36/3 | Defense Nuclear Facilities Safety Board (1988- ) |
| Y 3.D 37/2 | Delaware River Basin Commission (1961- ) |
| Y 4.D 39 | Democratic Policy Committee |
| Y 3.D 49 | Development Loan Fund (1958-1961) |
| Y 3.D 63/2 | Displaced Persons Commission (1948-1952) |
| Y 3.T 67 | East-West Foreign Trade board (1975-1981) |
| Y 3.Ec 74/3 | Economic Cooperation Administration (1948-1951) |
| Y 3.Ec 74 | Economic Security Committee (1934-1936) |
| Y 3.Ec 7 | Economy and Efficiency Commission (1910-1913) |
| Y 3.Ei 4 | Eight Hour Commission (1916-1917) |
| Y 3.El 2/5 | Election Assistance Commission (2002- ) |
| Y 3.El 2 | Electoral Commission of 1877 (1877) |
| Y 3.El 2/2 | Electric Home and Farm Authority (1933-1939) |
| Y 3.Em 3 | Emergency Conservation Work (1933-1937) |
| Y 3.Em 3/2 | Emergency Loan Guarantee Board (1972-?) |
| Y 3.Em 7 | Employer’s Liability and Workman’s Compensation Commission (1910-1912) |
| Y 3.Eq 2 | Equal Employment Opportunity Commission (1965- ) |
| Y 3.Er 4 | Ericsson Memorial Commission (1918) |
| Y 3.Ex 3/2 | Executive Council (1933-1934) |
| Y 3.Ex 7/3 | Export-Import Bank of the United States (1968- ) |
| Y 3.Ex 7 | Exports Control Committee (1918-1919) |
| Y 3.F 22/2 | Farm Credit System Insurance Corporation (1987- ) |
| Y 3.F 22 | Farm Tenancy Special Committee (1937) |
| Y 3.F 31/10 | Federal Alcohol Control Administration (1933-1935) |
| Y 3.Su 7 | Federal Board of Surveys and Maps (1936-1942) |
| Y 3.F 31/7 | Federal Civil Works Administration (1933-1934) |
| Y 3.F 31/12 | Federal Committee on Apprentice Training (1934-1937) |
| Y 3.F 31/22 | Federal Committee on Ecological Reserves (1974-1979) |
| Y 3.F 31/18 | Federal Committee on Pest Control (1964-1971) |
| Y 3.F 31/19 | Federal Committee on Research Natural Areas (1966-1974) |
| Y 3.F 31/6 | Federal Coordinator of Transportation (1933-1936) |
| Y 3.F 31/16 | Federal Council for Science and Technology (1959- 1963) |
| Y 3.F 31/15 | Federal Council on Aging (1956-1962) |
| Y 3.F 31/8 | Federal Deposit Insurance Corporation (1933- ) |
| Y 3.An 4 | Federal Development Planning Committee for Appalachia (1964-1965) |
| Y 3.El 2/3 | Federal Election Commission (1974- ) |
| Y 3.F 31 | Federal Electric Railways Commission (1919-1920) |
| Y 3.F 31/4 | Federal Emergency Administration of Public Works (1933-1939) |
| Y 3.F 31/5 | Federal Emergency Relief Administration (1933-1938) |
| Y 3.F 31/20 | Federal Executive Boards (1961- ) |
| Y 3.Al 1s/4 | Federal Field Committee for Development Planning in Alaska (1964-1965) |
| Y 3.F 49 | Federal Financial Institutions Examination Council (1979- ) |
| Y 3.F 31/2 | Federal Fuel Distributor (1922-1923) |
| Y 3.H 71 | Federal Holiday Commission (1990-1996) |
| Y 3.F 31/3 | Federal Home Loan Bank Board (1932-1939) |
| Y 3.F 31/11 | Federal Housing Administration (1934-1939)] |
| Y 3.Ed 8 | Federal Interagency Committee on Education (1964-1975) |
| Y 3.F 31/14 | Federal Inter-Agency Committee on Recreation (1946-?) |
| Y 3.F 31/24 | Federal Interagency Committee on the International Year of Disabled Persons (1979-1982) |
| Y 3.C 49/5 | Federal Interagency Council on Citizen Participation (1977-?) |
| Y 3.L 61/2 | Federal Interagency Field Librarians Workshop (1972-1974) |
| Y 3.F 31/13 | Federal Inter-Agency River Basin Committee (1939- 1954) |
| Y 3.F 31/21-3 | Federal Labor Relations Authority (1979- ) |
| Y 3.F 31/21 | Federal Labor Relations Council (1969-1979) |
| Y 3.M 66 | Federal Mine Safety and Health Review Commission (1978- ) |
| Y 3.F 31/17 | Federal Radiation Council (1959-1970) |
| Y 3.Al 1s/3 | Federal Reconstruction and Development Planning Commission for Alaska (1964) |
| Y 3.F 31/25 | Federal Retirement Thrift Investigation Board (1986- ) |
| Y 3.F 31/21-2 | Federal Service Impasses Panel (1969- ) |
| Y 3.F 31/9 | Federal Surplus Relief Corporation (1933-1935) |
| Y 3.P 43 | Federal working Group on Pest Management (1974-1981) |
| Y 3.F 49/2 | Financial Literacy and Education Commission (2003- ) |
| Y 3.F 73 | Food Administration (1917-1920) |
| Y 3.F 76/3 | Foreign Claims Settlement Commission of the United States (1954- 1980) |
| Y 3.F 76/2 | Foreign Economic Policy Commission (1953-1954) |
| Y 3.F 82 | Four Corners Regional Commission (1965-1981) |
| Y 3.R 67 | Franklin Delano Roosevelt Memorial Commission (1955-1997) |
| Y 3.F 95 | Fuel Administration (1917-1919) |
| Y 3.G 29 | George Rogers Clark Sesquicentennial Commission (1928-1939) |
| Y 3.W 27/2 | George Washington Bicentennial Commission (1924- 1932) |
| Y 3.G 74/3 | Government Activities Affecting Prices and Costs Committee (1959-1961) |
| Y 3.G 74 | Government Patents Board (1950-1961) |
| Y 3.G 74/2 | Government Security Commission (1955-1957) |
| Y 3.G 75 | Grades and Salaries Committee (1907-1908) |
| Y 3.G 76 | Grant Memorial Commission (1913) |
| Y 3.G 79/3 | Great Lakes Basin Commission (1967-1981) |
| Y 3.G 79/2 | Great Plains Committee (1936) |
| Y 3.G 79 | Great Plains Drought Area Committee (1936) |
| Y 3.G 95 | Gun Foundry Board (1883-1884) |
| Y 3.H 31 | Hawaiian Commission (1898-1899) |
| Y 3.H 75 | Homes Commission (1908); Interagency Council on the Homeless (1987- ) |
| Y 3.H 86 | Hudson-Champlain Celebration Commission (1958-1959) |
| Y 3.Im 6 | Immigration Commission (1907-1910) |
| Y 3.In 2/6 | Indian Claims Commission (1946-1978) |
| Y 3.In 2/1 | Indian Currency Commission (Great Britain) (1893) |
| Y 3.In 2/2 | Industrial Commission (1899-1902) |
| Y 4.In 3 | Information and Facilities Commission (House) |
| Y 4.G 56 | Inquiry Commission on Gold and Silver (Senate) |
| Y 3.C 56 | Interagency Classification Review Committee (1976-1978) |
| Y 3.In 8/11 | Interagency Committee on Agricultural Surplus Disposal (1954-1956) |
| Y 3.In 8/16 | Interagency Committee on Automatic Data Processing (1960) |
| Y 3.In 8/22 | Interagency Committee on Export Expansion (1963-1973) |
| Y 3.In 8/26 | Interagency Committee on Intermodal Cargo (1978-?) |
| Y 3.In 8/20 | Interagency Committee on International Athletics (1963) |
| Y 3.In 8/23 | Interagency Committee on Mexican American Affairs (1967-1969) |
| Y 3.C 49/4 | Interagency Committee on Uniform Civil Rights Policies and Practices (1974) |
| Y 3.In 8/8 | Interagency Committee on Water Resources (1954- 1956) |
| Y 3.L 22 | Interagency Land Acquisition Conference (1971-?) |
| Y 3.C 43/4 | Interagency Panel on Early Childhood Research and Development |
| Y 3.R 11 | Interagency Racial Data Committee (1970) |
| Y 3.R 26/2 | Interagency Regulatory Liaison Group (1977-1981) |
| Y 3.In 8/31 | Interagency Task Force on Acid Precipitation (1980-?) |
| Y 3.M 85 | Interagency Task Force on Motor Vehicle Goals Beyond 1980 (1975-1976) |
| Y 3.In 8/29 | Interagency Task Force on Small Business Finance (?-1982) |
| Y 3.In 8/25 | Inter-American Foundation (1969- ) |
| Y 3.W 74 | Inter-Departmental Board on Wireless Telegraphy (1904) |
| Y 3.In 8/10 | Interdepartmental Committee for the Study of Jurisdiction over Federal Areas within the States (1954-1957) |
| Y 3.In 8/6 | Interdepartmental Committee on Children and Youth (1948-1973) |
| Y 3.In 8/14 | Interdepartmental Committee on Civilian Compensation (1958) |
| Y 3.In 8/9 | Interdepartmental Committee on narcotics (1951-1970) |
| Y 3.In 8/13 | Interdepartmental Committee on Nutrition for National Defense (1954) |
| Y 3.In 8/12 | Interdepartmental Committee on Radiation Preservation of Food (1956) |
| Y 3.In 8/4 | Interdepartmental Committee on Scientific Research and Development (1947-1959) |
| Y 3.In 8/21 | Interdepartmental Committee on the Status of Women (1963- 1978) |
| Y 3.In 8/17 | Interdepartmental Committee to Coordinate Federal Urban Area Assistance Programs (1959) |
| Y 3.In 8/3 | Interdepartmental Committee to Coordinate Health and Welfare Activities (1935-1939) |
| Y 3.J 98 | Interdepartmental Council to Coordinate All Federal Juvenile Delinquency Programs (1973-?) |
| Y 3.In 8/19 | Interdepartmental Federal Tort Claims Committee (1960) |
| Y 3.In 8/18 | Interdepartmental Highway Safety Board (1960-1970) |
| Y 3.In 8/2 | Interdepartmental Social Hygiene Board (1918-1923) |
| Y 3.Ed 8/9 | Intergovernmental Advisory Council on Education (1980-1981) |
| Y 3.In 8/7 | Intergovernmental Relations Commission (1953-1955) |
| Y 3.C 73/4 | Interim Compliance Panel (1972) |
| Y 3.In 8/5 | International Development Advisory Board (1950-1955) |
| Y 3.In 8 | International Exchange Commission (1903-1904) |
| Y 3.In 8/28 | International Joint Commission United States and Canada (1911- ) |
| Y 3.In 8/29-2 | Interparliamentary Union, United States Group (verify stem; 8/30?) |
| Y 3.In 8/24 | Interstate commission on the Potomac River Basin (1976- ) |
| Y 3.Is 7 | Isthmian Canal Commission (1899-1902) |
| Y 3.M 26 | James Madison Memorial Commission (1960-1972) |
| Y 3.J 23 | Jamestown-Williamsburg-Yorktown Celebration Commission (1953) |
| Y 3.J 27 | Japan-United States Friendship Commission (1975- ) |
| Y 3.M 35 | John Marshall Bicentennial Celebration Commission (1954-1955) |
| Y 3.Ag 8/2 | Joint Commission of Agricultural Inquiry (1921-1922) |
| Y 3.Ai 7/2 | Joint Commission on Airports (1929-1930) |
| Y 3.P 74 | Joint Commission on Government Purchases of Pneumatic Tubes (1912-1914) |
| Y 3.Ex 3 | Joint Commission on Laws Organizing Executive Departments (1893-1894) |
| Y 3.C 17 | Joint Commission on Plans for Extension and Completion of the Capitol Building (1904) |
| Y 3.P 74/2 | Joint Commission on Pneumatic Tube Mail Service (1917) |
| Y 4.P 84/5 | Joint Commission on Postal Salaries |
| Y 3.C 66 | Joint Commission on the Coinage (1965-1975) |
| Y 3.P 84/3 | Joint Commission on the Postal Service (1920) |
| Y 4.R 24/2 | Joint Commission on the Reclassification of Salaries |
| Y 3.Si 2 | Joint Commission to Consider the Present Organization of the Signal Service, Geological Survey, Coast and Geodetic Survey, and Hydrographic Office (1886) |
| Y 3.In 2/3 | Joint Commission to Investigate Indian Affairs (1914-1915) |
| Y 4.P 31 | Joint Committee Investigating the Pearl Harbor Attack |
| Y 4.At 7/2 | Joint Committee on Atomic Energy |
| Y 4.T 23 | Joint Committee on Centennial of the Telegraph |
| Y 4.D 36 | Joint Committee on Defense Production |
| Y 4.F 31 | Joint Committee on Federal Aid in the Construction of Post Roads |
| Y 4.F 76/4 | Joint Committee on Forestry |
| Y 4.G 74/4 | Joint Committee on Government Organization |
| Y 4.H 31 | Joint Committee on Hawaii |
| Y 4.H 81/4 | Joint Committee on Housing |
| Y 4.In 8/11 | Joint Committee on Internal Revenue Taxation |
| Y 4.L 11/3 | Joint Committee on Labor Management Relations |
| Y 4.W 27/2 | Joint Committee on Metropolitan Washington Problems |
| Y 4.M 97 | Joint Committee on Muscle Shoals |
| Y 4.N 22/3 | Joint Committee on Naval Affairs |
| Y 4.P 93/1 | Joint Committee on Printing |
| Y 4.R 13/3 | Joint Committee on Railroad Retirement Legislation |
| Y 4.R 24/1 | Joint Committee on Reconstruction |
| Y 4.R 24/4 | Joint Committee on Reduction of Federal Expenditures |
| Y 4.R 88 | Joint Committee on Rural Credits |
| Y 4.Sh 8 | Joint Committee on Short Time Record Credits |
| Y 4.T 19 | Joint Committee on Tax Evasion and Avoidance |
| Y 4.T 19/4 | Joint Committee on Taxation |
| Y 4.B 47 | Joint Committee on the Arrangements for the Commemoration of the Bicentennial |
| Y 4.C 75 | Joint Committee on the Conduct of the War |
| Y 4.C 76/5 | Joint Committee on the Construction of the Building for the Museum of History and Technology for Smithsonian Institution |
| Y 4.C 43 | Joint Committee on the Dedication of Chickamauga and Chattanooga National Military Park |
| Y 4.D 63/5 | Joint Committee on the Fiscal Relations between the District of Columbia and the United States |
| Y 4.N 81 | Joint Committee on the Investigation of the Northern Pacific Railroad Land Grants |
| Y 4.T 25 | Joint Committee on the Investigation of the Tennessee Valley Authority |
| Y 4.L 52 | Joint Committee on the Legislative Budget |
| Y 4.L 61/2 | Joint Committee on the Library of Congress |
| Y 4.C 76/3 | Joint Committee on the Organization of Congress |
| Y 4.P 11/4 | Joint Committee on the Pacific Coast Naval Bases |
| Y 4.P 84/4 | Joint Committee on the Postage on Second Class Matter and the Compensation for Transportation of Mails |
| Y 4.R 29 | Joint Committee on the Reorganization of the Administrative Branch of Government |
| Y 4.V 64/2 | Joint Committee on Veterans Affairs |
| Y 4.F 31/2 | Joint Committee to Determine What Employment May Be Furnished to Federal Prisoners |
| Y 4.D 62 | Joint Committee to Investigate Dirigible Disasters |
| Y 4.P 56 | Joint Committee to Investigate the Adequacy and Use of Phosphate Resources of the United States |
| Y 4.P 21 | Joint Committee to Investigate the General Parcel Post |
| Y 4.In 8/8 | Joint Committee to Investigate the Interior Department and Forestry Service |
| Y 4.Ec 7 | Joint Economic Committee |
| Y 3.J 66 | Joint Publications Research Service (1949-1979) |
| Y 3.J 66/2 | Joint Research and Development Board (1946-1947) |
| Y 4.Al 1/1 | Joint Select Committee on Alcohol in Manufactures and Arts |
| Y 4.Or 2/3 | Joint Select Committee on Ordnance |
| Y 4.R 31/2 | Joint Select Committee on Retrenchment |
| Y 4.C 76/2 | Joint Select Committee on the Importation of Contract Laborers, Convicts, and Paupers |
| Y 4.N 42/3 | Joint Select Committee on the Newburg, N.Y. Monument and Centennial Celebration of 1883 |
| Y 4.In 7/2 | Joint Select Committee to Inquire into Affairs in the Insurrectionary States |
| Y 4.D 63/3 | Joint Select Committee to Investigate District of Columbia Charities |
| Y 4.In 2/3 | Joint Special Committee on Indian Bureau |
| Y 4.In 2/6 | Joint Special Committee on the Conditions of the Indian Tribes |
| Y 4.B 85 | Joint Study Committee on Budget Control |
| Y 4.In 8/9 | Joint Subcommittee on Interstate Commerce |
| Y 3.L 52 | Legal Services Corporation (1974- ) |
| Y 3.L 58 | Lewis and Clark Trail Commission (1964-1969) |
| Y 3.L 63 | Lincoln Sesquicentennial Commission (1957-1960) |
| Y 3.L 71 | Literacy Information and Communication System (LINCS) (1991- ) |
| Y 3.L 95 | Lowell Historic Canal District Commission (1975-1977) |
| Y 3.M 33/2 | Marihuana and Drug Abuse Commission (1970-?) |
| Y 3.M 33/3 | Marine Mammal Commission (1972- ) |
| Y 3.M 33 | Maritime Advisory Committee (1964-1968) |
| Y 3.M 53 | Mediation Commission (1917-1918) |
| Y 3.M 46/4 | Medicaid and CHIP Payment Access Commission (MACPAC) (2010- ) |
| Y 3.M 46/3 | Medicare Payment Advisory Commission (1997- ) |
| Y 3.M 53/2 | Merchant Marine and Defense Commission |
| Y 3.M 53 | Merchant Marine Commission (1904-1905) |
| Y 3.M 58 | Migratory Bird Conservation Commission (1929- ) |
| Y 4.M 59/3 | Militia Committee (House) |
| Y 3.M 66/2 | Minimum Wage Study Commission (1977-1981) |
| Y 3.M 69 | Missouri Basin Inter-Agency Committee (1945-1972) |
| Y 3.M 69/2 | Missouri River Basin Commission (1972-1981) |
| Y 3.M 74 | Monetary Commission (1876) |
| Y 3.M 74/2 | Monitored Retrievable Storage Review Commission (1987-1989) |
| Y 3.M 84 | Mortgage Interest Rates Commission (1968-1969) |
| Y 3.M 85/2 | Motor Carrier Ratemaking Study Commission (1980-1983) |
| Y 3.M 97 | Muscle Shoals Commission (1931) |
| Y 3.N 21/28 | National Academy of Public Administration |
| Y 3.B 49 | National Advisory and Coordinating Council on Bilingual Education (1968-1988) |
| Y 3.C 86 | National Advisory Commission on Criminal Justice Standards and Goals (1971-1973) |
| Y 3.N 21/5 | National Advisory Committee for Aeronautics (1915- 1958) |
| Y 3.Oc 2 | National Advisory Committee on Oceans and Atmosphere (1971-1986) |
| Y 3.Se 5/3 | National Advisory Committee on Semiconductors (1988-1992) |
| Y 3.D 84 | National Advisory Council for Drug Abuse Prevention (1972-1975) |
| Y 3.Ed 8/4 | National Advisory Council on Adult Education (1974-1988) |
| Y 3.C 43/2 | National Advisory Council on Child Nutrition (1971-1989) |
| Y 3.Ed 8/8 | National Advisory Council on Continuing Education (1965-1987) |
| Y 3.Ex 8 | National Advisory Council on Continuing Education (1965-1987) |
| Y 3.Ec 7/2 | National Advisory Council on Economic Opportunity (1964- 1981) |
| Y 3.Ed 8/2 | National Advisory Council on Education of Disadvantaged Children (1965- 1982) |
| Y 3.Ed 8/3 | National Advisory Council on Education Professions Development (1967-1976) |
| Y 3.Ed 8/7 | National Advisory Council on Equality of Educational Opportunity (1972-1979) |
| Y 3.In 2/10 | National Advisory Council on Indian Education (1965- ) |
| Y 3.N 21/16 | National Advisory Council on International Monetary and Financial Policies (1966- ) |
| Y 3.V 85 | National Advisory Council on Vocational Education (1968-1991) |
| Y 3.W 84/2 | National Advisory Council on Women’s Educational Program (1977-1988) |
| Y 3.Al 1/2 | National Alcohol Fuels Commission (1978-1981) |
| Y 3.N 21/27 | National Business Council for Consumer Affairs (1971- 1973) |
| Y 3.N 21/20 | National Capital Sesquicentennial Commission (1947-1952) |
| Y 3.N 21/21 | National Capital Transportation Agency (1960-1967) |
| Y 3.P 94 | National Center for Productivity and Quality of Working Life (1977- 1978) |
| Y 3.N 21/4 | National Coast-Defense Board (1905-1906) |
| Y 3.Em 7/3 | National Commission for Employment Policy (1978-1998) |
| Y 3.In 2/11 | National Commission for Industrial Peace (1973-1974) |
| Y 3.M 31 | National Commission for Manpower Policy (1973- 1978) |
| Y 3.W 74/2 | National Commission for Review of Federal and State Laws Relating to Wiretapping and Electronic Surveillance (1968) |
| Y 3.P 81/2 | National Commission for the Observation of World Population Year (1974) |
| Y 3.H 88 | National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research (1974-1978) |
| Y 3.T 22 | National Commission of Technology, Automation, and Economic Proress (1964-1966) |
| Y 3.Ai 7/5 | National Commission on Air Quality (1977-1980) |
| Y 3.Ar 7 | National Commission on Arthritis and Related Musculoskeletal Diseases (1975-1976) |
| Y 3.C 43/5 | National Commission on Children (1987-1991) |
| Y 3.C 76/2 | National Commission on Consumer Finance (1968-1972) |
| Y 3.D 14 | National Commission on Dairy Policy |
| Y 3.El 2/4 | National Commission on Electronic Fund Transfers (1974-1977) |
| Y 3.Em 7/2 | National Commission on Employment and Unemployment Statistics (1978-1980) |
| Y 3.F 32 | National Commission on Financial Institution Reform, Recovery and Enforcement (1990-1993) |
| Y 3.Ed 8/5 | National Commission on Financing of Postsecondary Education (1973-1974) |
| Y 3.F 51 | National Commission on Fire Prevention and Control (1968-1973) |
| Y 3.N 21/22 | National Commission on Food Marketing (1964) |
| Y 3.N 21/7 | National Commission on Law Observance and Enforcement (1929- 1931) |
| Y 3.L 61 | National Commission on Libraries and Information Science (1970-2008) |
| Y 3.M 41 | National Commission on Materials Policy (1970-1973) |
| Y 3.M 58/3 | National Commission on Migrant Education |
| Y 3.N 31 | National Commission on Neighborhoods (1977-1979) |
| Y 3.C 79 | National Commission on New Technological Uses of Copyrighted Works (1974- 1978) |
| Y 3.N 21/25 | National Commission on Product Safety (1967-1970) |
| Y 3.N 21/26 | National Commission on Reform of Federal Criminal Laws (1966- 1971) |
| Y 3.Ed 8/11 | National Commission on Responsibilities for Financing Postsecondary Education (1989) |
| Y 3.P 96/9 | National Commission on Severely Distressed Public Housing (1989-1993) |
| Y 3.So 1 | National Commission on Social Security (1977-1981) |
| Y 3.Sp 1 | National Commission on Space (1984-1986) |
| Y 3.W 89/3 | National Commission on State Workmen's Compensation Laws (1970-1972) |
| Y 3.St 9 | National Commission on Student Financial Assistance (1980-?) |
| Y 3.Su 7/3 | National Commission on Superconductivity |
| Y 3.Su 7/2 | National Commission on Supplies and Shortages (1974- 1977) |
| Y 3.W 84 | National Commission on the Observance of International Woman's Year, 1975 (1975- 1978) |
| Y 3.Un 2 | National Commission on Unemployment Compensation (1976- 1980) |
| Y 3.W 29/2 | National Commission on Water Quality (1972) |
| Y 3.D 63/3 | National Council on Disability (1978- ) |
| Y 3.In 2/9 | National Council on Indian Opportunity (1968-1974) |
| Y 3.P 96/8 | National Council on Public Works Improvement (1984-1988) |
| Y 3.H 19 | National Council on the Handicapped (1984-1988) |
| Y 3.C 86/2 | National Critical Materials Council (1984-1991) |
| Y 3.D 84/2 | National Drug Policy Board (1985-1988) |
| Y 3.Ec 7/3 | National Economic Commission (1987-1989) |
| Y 3.Ed 8/10 | National Education Goals Panel |
| Y 3.N 21/9 | National Emergency Council (1933-1939) |
| Y 3.N 21/6 | National Forest Reservation Commission (1911-1976) |
| Y 3.In 2/8 | National Industrial Pollution Control Council (1970-1973) |
| Y 3.N 21/15 | National Interregional Highway Committee (1941-1944) |
| Y 3.N 21/10 | National Labor Board (1933-1934) |
| Y 3.N 21/13 | National Labor Relations Board (1934-1935) |
| Y 3.N 21/2 | National Monetary Commission (1908-1912) |
| Y 3.N 16 | National Narcotics Intelligence Consumers Committee (1978-?) |
| Y 3.N 95 | National Nutrition Monitoring Advisory Council (1991-2002) |
| Y 3.Oc 1/2 | National Occupational Information Coordination Committee (1976-2000) |
| Y 3.N 21/8 | National Recovery Administration (1933-1935) |
| Y 3.N 21/11 | National Recovery Review Board (1934) |
| Y 3.N 21/12 | National Resources Committee (1935-1939) |
| Y 4.Se 2/1 | National Security Committee (House) |
| Y 3.N 21/17 | National Security Council (1947-1949) |
| Y 3.N 21/18 | National Security Resources Board (1947-1949) |
| Y 3.N 21/19 | National Security Training Commission (1951-1957) |
| Y 3.R 24/2 | National Study Commission on Records and Documents of Federal Officials (1974-1976) |
| Y 3.T 64 | National Tourism Resources Review Commission (1971-1973) |
| Y 3.T 68/2 | National Transportation Policy Study Commission (1976-1979) |
| Y 3.N 21/23 | National Visitor Facilities Advisory Commission (1968-1975) |
| Y 3.N 21/24 | National Water Commission (1968-1973) |
| Y 3.N 21/3 | National Waterways Commission (1909-1911) |
| Y 3.W 84/4 | National Women’s Business Council (1988- ) |
| Y 3.N 21/14 | National Youth Administration (1935-1939) |
| Y 3.H 31/2 | Native Hawaiians Study Commission (1980-1983) |
| Y 3.N 22 | Navajo and Hopi Indian Relocation Commission |
| Y 3.N 27 | Near East Relief (1920) |
| Y 3.N 42/2 | New England Regional Commission (1965-1981) |
| Y 3.N 42/3 | New England River Basins Commission (1967-1981) |
| Y 3.N 42 | New Jersey Tercentenary Celebration Commission (1960) |
| Y 3.N 51 | Nicaragua Canal Commission (1897-1899) |
| Y 3.En 8 | North American Commission for Environmental Cooperation (1994- ) |
| Y 3.N 81/3 | North Atlantic Regional Water Resources Study Coordinating Committee (1965-?) |
| Y 3.N 81/2 | North Carolina Tercentenary Celebration Commission (1935-1938) |
| Y 3.N 81/4 | Northern Great Plains Resources Program |
| Y 3.N 81/6 | Northern Mariana Islands Commission (1976-1985) |
| Y 3.N 81/5 | Northwest Federal Regional Council (1977-?) |
| Y 3.N 81/7 | Northwest Indian Fisheries Commission |
| Y 3.N 81/8 | Northwest Power and Conservation Council (1980- ) |
| Y 3.N 81 | Northwest Territory Celebration Commission (1935-1939) |
| Y 3.N 88 | Nuclear Regulatory Commission (1975- ) |
| Y 3.N 88/2 | Nuclear Waste Technical Review board (1989- ) |
| Y 3.Oc 1 | Occupational Safety and Health Review Commission (1970- ) |
| Y 3.Al 4 | Office of Alien Property Custodian (1917-1934) |
| Y 3.W 19/7: 101 | Office of Contract Settlement (1944-1947) |
| Y 3.Ec 74/2: 101 | Office of Exports (1942-1943) |
| Y 3.Et 3 | Office of Government Ethics (1978- ) |
| Y 3.C 83/3 | Office of Special Counsel |
| Y 3.T 22/2 | Office of Technology Assessment (1972-1995) |
| Y 3.Ex 7/2 | Office of the Administrator of Export Control (1940-1941) |
| Y 3.In 8/27 | Office of the Federal Inspector for the Alaska Natural Gas Transportation System (1979-1992) |
| Y 3.F 31/23 | Office of the Federal Inspector, Alaska Natural Gas Transportation System (1979-1992) |
| Y 3.H 81/2 | Office of the Housing Expediter (1947-1951) |
| Y 3.C 83/2 | Office of the National Counterintelligence Executive (2001- ) |
| Y 3.W 19/7 | Office of War Mobilization and Reconversion (1944- 1946) |
| Y 3.Ol 1 | Old West Regional Action Planning Commission (1965- 1981) |
| Y 3.Ou 8 | Outdoor Recreation Resources Review Commission (1958-1962) |
| Y 3.Oz 1 | Ozarks Regional Commission (1966-1981) |
| Y 3.P 11/5 | Pacific Northwest Regional Commission (1976-1981) |
| Y 3.P 11/4 | Pacific Northwest River Basins Commission (1967-1981) |
| Y 3.P 11 | Pacific Railway Commission (1887) |
| Y 3.P 11/3 | Pacific Southwest Federal Interagency Technical Committee (?-1955) |
| Y 3.P 11/2 | Pacific Southwest Inter-Agency Committee (1955) |
| Y 3.P 19/2 | Panama Canal Commission (1979-1999) |
| Y 4.P 27/1 | Patents Committee (House) |
| Y 4.P 27/2 | Patents Committee (Senate) |
| Y 3.P 38 | Pennsylvania Avenue Development Corporation (1972- 1996) |
| Y 3.P 38/2 | Pension Benefit Guaranty Corporation (1974- ) |
| Y 3.H 73 | Permanent Committee for the Oliver Wendell Holmes Devise (1955- ) |
| Y 4.In 8/18 | Permanent Select Committee on Intelligence (House) |
| Y 3.P 44 | Petroleum Administration for War (1942-1946) |
| Y 3.P 53 | Philippine Commission (1899-1900) |
| Y 3.P 53/2 | Philippine War Damage Commission (1946-1951) |
| Y 3.P 56 | Physician Payment Review Commission (1986-1997) |
| Y 3.P 83 | Porto Rico Laws Commission (1901) |
| Y 3.P 84/2 | Postal Commission (1906-1907) |
| Y 3.P 84/4 | Postal Regulatory Commission (1970- ) |
| Y 3.P 92/3 | President’s Committee on Administrative Management (1936-1937) |
| Y 3.P 92/4 | President’s Committee on Civil Service Improvement (1939-1941) |
| Y 3.P 92/2 | President’s Committee on Crop Insurance (1936) |
| Y 3.P 92/5 | President’s Committee on Religious and Moral Welfare and President’s Committee on Religion and Welfare in the Armed Forces (1949-1951) |
| Y 3.P 92 | President’s Organization on Unemployment Relief (1931-1932( |
| Y 3.P 92/6 | Presidential Commission on Catastrophic Nuclear Accidents (1988-1991) |
| Y 3.P 93/4 | Price Commission (1971-1973) |
| Y 3.P 93 | Printing Investigation Commission (1905-1907) |
| Y 3.P 93/2 | Priority in Transportation Commissioner (1917) |
| Y 3.P 93/3 | Prison Industries Reorganization Administration (1935-1940) |
| Y 3.P 93/5 | Privacy Protection Study Commission (1974) |
| Y 3.P 29 | Prospective Payment Assessment Commission (1983-1997) |
| Y 3.P 96/4 | Public Buildings Commission (1919-1933) |
| Y 3.P 96/1 | Public Land Commission (1879-1880) |
| Y 3.P 96/7 | Public Land Law Review Commission (1964-1970) |
| Y 3.P 96/2 | Public Lands Commission (1903-1905) |
| Y 3.P 96/6 | Publications Board (1945) |
| Y 3.R 13/2 | Railroad Administration (1918-1939) |
| Y 3.R 13 | Railroad Securities Commission (1910-1911) |
| Y 3.R 24 | Reconstruction Finance Corporation (1932-1939, 1947-1954) |
| Y 3.R 26 | Regulatory Council |
| Y 3.R 29 | Rent Commission of District of Columbia (1919-1925) |
| Y 3.R 31 | Resettlement Administration (1935-1937) |
| Y 3.R 31/2 | Resolution Trust Corporation (1989-1995) |
| Y 3.R 32 | Revision of Statutes Commission (1872-1873) |
| Y 3.R 82 | Rubber Producing Facilities Disposal Commission (1953-1956) |
| Y 3.R 88/2 | Rural Development Program Committee (1954-1963) |
| Y 3.R 88 | Rural Electrification Administration (1935-1939) |
| Y 3.Sa 2/2 | Saint Augustine Quadricentennial Commission (1962) |
| Y 3.Sa 2 | Saint Lawrence Seaway Development Corporation (1954- 1966) |
| Y 3.Sa 5 | Santo Domingo Commission (1871) |
| Y 3.Al 1 | Second Court of Commissioners of Alabama Claims (1882-1885) |
| Y 4.Se 4/1 | Select and Special Committees (House) |
| Y 4.Se 4/2 | Select and Special Committees (Senate) |
| Y 3.Im 6/2 | Select Commission on Immigration and Refugee Policy (1978- 1980) |
| Y 3.W 52 | Select Commission on Western Hemisphere Immigration (1965) |
| Y 4.H 28 | Select Committee Appointed to Investigate the Memorial of Davis Hatch |
| Y 4.Ex7/12 | Select Committee Investigating the Expenditures in the Senatorial Primary and General Elections (Senate) |
| Y 4.N 21/5 | Select Committee Investigating the National Defense Migration (House) |
| Y 4.N 21/6 | Select Committee Investigating the National Defense Program (Senate) |
| Y 4.F 58 | Select Committee of Five (House) |
| Y 4.Ai 7 | Select Committee of Inquiry into Operations of Air Services (House) |
| Y .In 2/5 | Select Committee on Affairs in the Indian Territory (Senate) |
| Y 4.Ag 4/2 | Select Committee on Aging (House) |
| Y 4.P 96/4 | Select Committee on Appropriations for the Prevention of Fraud in and Depreciations upon Public Service |
| Y 4.As 7 | Select Committee on Assassinations (House) |
| Y 4.As 8 | Select Committee on Astronautics and Space Exploration (House) |
| Y 4.C 43/2 | Select Committee on Children, Youth, and Families (House) |
| Y 4.C 73/6 | Select Committee on Committees (House) (not in andriot) |
| Y 4.C 73/5 | Select Committee on Communist Aggression (House) |
| Y 4.C 76/9 | Select Committee on Congressional Operations (House) |
| Y 4.C 76/4 | Select Committee on Contribution Investigation (Senate) |
| Y 4.C 86/3 | Select Committee on Crime (House) |
| Y 4.C 88 | Select Committee on Crop Insurance (Senate) |
| Y 4.P 82 | Select Committee on Current Pornographic Materials (House) |
| Y 4.Eq 2 | Select Committee on Equal Education Opportunities (Senate) |
| Y 4.Et 3/1 | Select Committee on Ether Discovery (House) |
| Y 4.Et 3/2 | Select Committee on Ether Discovery (Senate) |
| Y 4.Et 3/3 | Select Committee on Ethics (House) |
| Y 4.Et 3/4 | Select Committee on Ethics (Senate) |
| Y 4.Ex 7/11 | Select Committee on Expenditures in the War Department (House) |
| Y 4.Ex 7/15 | Select Committee on Export Control (House) |
| Y 4.B 22/2 | Select Committee on Failed National Banks |
| Y 4.F 76/5 | Select Committee on Foreign Aid (House) |
| Y 4.G 74/3 | Select Committee on Government Organization (House) |
| Y 4.G 74/5 | Select Committee on Government Organization (Senate) |
| Y 4.G 74/8 | Select Committee on Government Research (Senate) |
| Y 4.H 12 | Select Committee on Haiti and Santo Domingo (Senate) |
| Y 4.Or 2/1 | Select Committee on Heavy and Projectiles Ordnance (Senate) |
| Y 4.H 81 | Select Committee on House Rooms Distribution (House) |
| Y 4.H 89 | Select Committee on Hunger (Senate) |
| Y 4.Im 7 | Select Committee on Improper Activities in Labor or Management Field (Senate) |
| Y 4.In 8/19 | Select Committee on Intelligence (Senate) |
| Y 4.In 8/7 | Select Committee on Internal Improvements (House) |
| Y 4.In 8/2 | Select Committee on Internal Revenue Frauds (House) |
| Y 4.Ou 8 | Select Committee on Investigation of the Alleged Outrages in the Southern States (Senate) |
| Y 4.At 8 | Select Committee on Investigation of the Attorney General (Senate) |
| Y 4.L 78 | Select Committee on Lobby Investigation |
| Y 4.L 78/3 | Select Committee on Lobbying Activities (House) |
| Y 4.M 69/3 | Select Committee on Missing Persons in Southeast Asia (House) |
| Y 4.N 16 | Select Committee on Narcotics Abuse and Control (House) |
| Y 4.N 21/8 | Select Committee on National Water Resources (Senate) |
| Y 4.N 42/1 | Select Committee on New Orleans Riots (House) |
| Y 4.N 95 | Select Committee on Nutrition and Human Needs (Senate) |
| Y 4.Or 2/2 | Select Committee on Ordnance and Warships (Senate) |
| Y 4.P 81 | Select Committee on Population (House) |
| Y 4.P 84/6 | Select Committee on Post Office Leases (Senate) |
| Y 4.P 84/8 | Select Committee on Post-War Military Policy (House) |
| Y 4.P 93/8 | Select Committee on POW/MIA Affairs (Senate) |
| Y 4.P 92/4 | Select Committee on Presidential Campaign Activities (Senate)( |
| Y 4.M 57 | Select Committee on Proceedings of the Board of Commissioners on Claims against Mexico (Senate) |
| Y 4.Sp 6 | Select Committee on Professional Sports (House) |
| Y 4.P 96/8 | Select Committee on Public Health (House) |
| Y 4.P 96/3 | Select Committee on Pulp and Paper Investigations |
| Y 4.R 24/3 | Select Committee on Reconstruction and Production (Senate) |
| Y 4.R 25 | Select Committee on Reforestation (Senate) |
| Y 4.Se 5/2 | Select Committee on Senatorial Campaign Expenditures |
| Y 4.Sh 6/3 | Select Committee on Shipping Board Operations (House) |
| Y 4.Si 1 | Select Committee on Sickness and Mortality on Emigrant Ships (Senate) |
| Y 4.Sm 1/2 | Select Committee on Small Business and Entrepreneurship (Senate) |
| Y 4.St 2/2 | Select Committee on Standards and Conduct (Senate) |
| Y 4.Su 7/2 | Select Committee on Survivors Benefits (House) |
| Y 4.N 42/2 | Select Committee on the Alleged New York Election Frauds (House) |
| Y 4.B 86/1 | Select Committee on the Budget (House) |
| Y 4.B 86/2 | Select Committee on the Budget (Senate) |
| Y 4.W 64/2 | Select Committee on the Conservation of Wildlife Resources (House) |
| Y 4.H 23 | Select Committee on the Harpers Ferry Invasion (Senate) |
| Y 4.H 81/6 | Select Committee on the House Restaurant (House) |
| Y 4.W 56 | Select Committee on the Investigation of Charges against Burton K. Wheeler (Senate) |
| Y 4.L 62 | Select Committee on the Investigation of Charges Made by George L. Lilley (House) |
| Y 4.Ex 3/3 | Select Committee on the Investigation of Executive Agencies of the Government (Senate) |
| Y 4.C 49/3 | Select Committee on the Investigation of Illegal Appointments and Dismissals in the Civil Service (Senate) |
| Y 4.Or 2/4 | Select Committee on the Investigation of Ordnance and Ammunition (House) |
| Y 4.R 22/3 | Select Committee on the Investigation of Real Estate Bondholders’ Reorganizations (House) |
| Y 4.G 74/2 | Select Committee on the Investigation of the Government Printing Office (Senate) |
| Y 4.In 8/10 | Select Committee on the Investigation of the Internal Revenue Bureau (Senate) |
| Y 4.T 17 | Select Committee on the Investigation of the Tariff Commission (Senate) |
| Y 4.N 62 | Select Committee on the Nine Foot Channel from the Great Lakes to the Gulf |
| Y 4.Ep 4/1 | Select Committee on the Origin, Introduction and Prevention of Epidemic Diseases (House) |
| Y 4.P 38/3 | Select Committee on the Payment of Pensions, Bounty, and Back Pay |
| Y 4.P 84/3 | Select Committee on the Relations of the Members with the Post Office Departments (House) |
| Y 4.Sh 6/4 | Select Committee on the Shipping Board Emergency Fleet Corporation (House) |
| Y 4.W 45 | Select Committee on the Welfare and Education of Congressional Pages (House) |
| Y 4.T 68 | Select Committee on Transportation Routes to Seaboard |
| Y 4.Un 1/2 | Select Committee on Un-American Activities (House) |
| Y 4.Un 2 | Select Committee on Unemployment Insurance (Senate) |
| Y 4.W 84 | Select Committee on Woman Suffrage (Senate) |
| Y 4.H 81/5 | Select Committee Pursuant to House Resolution 1 |
| Y 4.W 58 | Select Committee to Conduct an Investigation and Study of the Financial Position of the White County Bridge Commission (House) |
| Y 4.K 15 | Select Committee to Conduct the Investigation of Facts, Evidence and Circumstances of the Katyn Forest Massacre (House) |
| Y 4.N 21/7 | Select Committee to Conduct the Study and Survey of the National Defense Program in Its Relation to Small Business (House) |
| Y 4.Un 3/1 | Select Committee to Establish University of the United States (Senate) |
| Y 4.M 69/1 | Select Committee to Inquire into Alleged Frauds in Recent Elections in Mississippi (Senate) |
| Y 4.C 81/1 | Select Committee to Investigate Alleged Corrupt Combinations of Members of Congress (House) |
| Y 4.C 81/2 | Select Committee to Investigate Alleged Corruptions in Government (House) |
| Y 4.C 86 | Select Committee to Investigate Alleged Credit Mobilier Bribery (House) |
| Y 4.Sh 6 | Select Committee to Investigate Alleged Ship Subsidy Lobby (House) |
| Y 4.W 74 | Select Committee to Investigate Certain Statements Made by Doctor William A. Wirt (House) |
| Y 4.M 51 | Select Committee to Investigate Charges against Members of Congress (House) |
| Y 4.C 73/4 | Select Committee to Investigate Commodity Transaction (House) |
| Y 4.In 8/20 | Select Committee to Investigate Covert Arms Transactions with Iran |
| Y 4.N 21/3 | Select Committee to Investigate Disabled Soldiers League Inc. (House) |
| Y 4.Ed 8/4 | Select Committee to Investigate Educational and Training Program under the GI Bill (House) |
| Y 4.Ok 4 | Select Committee to Investigate Indian Contracts in Oklahoma |
| Y 4.Ol 1 | Select Committee to Investigate Old Age Pension Plans (House) |
| Y 4.P 93/4 | Select Committee to Investigate Public Printing (Senate) |
| Y 4.T 19/3 | Select Committee to Investigate Tax-Exempt Foundations and Comparable Organizations (House) |
| Y 4.Su 7 | Select Committee to Investigate the Disposition of Surplus Property (House) |
| Y 4.B 45/2 | Select Committee to Investigate the Escape of Grover Cleveland Bergdoll from Disciplinary Barracks at Governors Island, N.Y. (House) |
| Y 4.F 31/4 | Select Committee to Investigate the Federal Communications Commission (House) |
| Y 4.D 63/7 | Select Committee to Investigate the Fiscal Relations between the District of Columbia and the United States (House) |
| Y 4.B 21 | Select Committee to Investigate the Incorporation of the Baltic States into the U.S.S.R. (House) |
| Y 4.In 8/12 | Select Committee to Investigate the Interstate Migration of Destitute Citizens (House) |
| Y 4.D 63/6 | Select Committee to Investigate the Public School System of the District of Columbia (Senate) |
| Y 4.W 21 | Select Committee to Investigate the Seizure of Montgomery Ward and Company (House) |
| Y 4.F 73/2 | Select Committee to Investigate the Use of Chemicals in Food Products (House) |
| Y 4.V 64 | Select Committee to Investigate the Veterans Bureau (Senate) |
| Y 4.W 12 | Select Committee to Investigate Wages and Prices (Senate) |
| Y 4.C 33/4 | Select Committee to Study Censure Charges (Senate) |
| Y 4.In 8/17 | Select Committee to Study Government Operations with Respect to Intelligence Activities (Senate) |
| Y 4.L 41 | Select Committee to Study Law |
| Y 4.H 23/2 | Select Joint Committee on the Harriman Geographic Code System |
| Y 3.Se 4 | Selective Service System (1948- ) |
| Y 4.Im 7/2 | Senate Impeachment Trial Committee |
| Y 3.Sh 6 | Ship Structure Committee (1946- ) |
| Y 3.So 8 | Souris-Red-Rainy River Basins Commission (1967-1973) |
| Y 3.So 8/2 | Southwest Border Regional Commission (1965-1981) |
| Y 3.Sp 2/2 | Spanish Treaty Claims Commission (1901-1910) |
| Y 4.Sp 3 | Speaker's Commission on Pages (1982) |
| Y 3.F 76 | Special Adviser to the President on Foreign Trade (1934-1935) |
| Y 4.B 45 | Special Committee Appointed Under H.Res. 6 Concerning Victor L. Berger (House) |
| Y 4.K 13 | Special Committee Investigating Kansas (House) |
| Y 4.P 44 | Special Committee Investigating Petroleum Resources (Senate) |
| Y 4.P 92 | Special Committee Investigating Presidential Campaign Expenditures (Senate) |
| Y 4.M 92 | Special Committee Investigating the Munitions Industry (Senate) |
| Y 4.Ag 4 | Special Committee on Aging (Senate) |
| Y 4.At 7 | Special Committee on Atomic Energy (Senate) |
| Y 4.F 31/3 | Special Committee on Federal Penal and Reformatory Institutions (House) |
| Y 4.Ai 7/2 | Special Committee on Investigation of Air Mail and Ocean Mail Contracts (Senate) |
| Y 4.Am 3/2 | Special Committee on Investigation of American Sugar Refining Company (House) |
| Y 4.C 76/8 | Special Committee on Official Conduct (Senate) |
| Y 4.P 84/7 | Special Committee on Post-War Economic Policy and Planning (Senate) |
| Y 4.Sp 1 | Special Committee on Space and Astronautics (Senate) |
| Y 4.C 17 | Special Committee on the Centennial Celebration of the Laying of the Corner Stone of the Capitol |
| Y 4.P 92/2 | Special Committee on the Investigation of Presidential and Senatorial Campaign Expenditures (Senate) |
| Y 4.Si 3 | Special Committee on the Investigation of Silver (Senate) |
| Y 4.C 76/6 | Special Committee on the Organization of Congress (Senate) |
| Y 4.P 84/9 | Special Committee on the Post-War Economic Policy and Planning (House) |
| Y 4.R 22/2 | Special Committee on the Readjustment of Service Pay (House) |
| Y 4.L 22 | Special Committee on the Survey of Land and Water Policies of the United States (Senate) |
| Y 4.T 19/2 | Special Committee on the Taxation of Governmental Securities and Salaries (Senate) |
| Y 4.N 21/9 | Special Committee on the Termination of the National Emergency (Senate) |
| Y 4.3 | Special Committee on the Year 2000 Technology Problem (Senate) |
| Y 4.Un 1 | Special Committee on Un-American Activities (Senate) |
| Y 4.Un 2/3 | Special Committee on Unemployment Problems (Senate) |
| Y 4.W 64 | Special Committee on Wildlife Resources (Senate) |
| Y 4.Sh 6/2 | Special Committee to Investigate Alleged Ship Purchase Lobby (Senate) |
| Y 4.Am 3/3 | Special Committee to Investigate American Retail Federation |
| Y 4.B 22/4 | Special Committee to Investigate Bankruptcy and Receivership Proceedings and Administration of Justice in United States Courts (Senate) |
| Y 4.C 15 | Special Committee to Investigate Campaign Expenditures (House) |
| Y 4.Ex 3 | Special Committee to Investigate Charges of Execution without A Trial in France (Senate) |
| Y 4.C 73/3 | Special Committee to Investigate Communist Propaganda in the United States (House) |
| Y 4.Am 3/4 | Special Committee to Investigate Conditions in the American Merchant Marine |
| Y 4.Ex 3/4 | Special Committee to Investigate Executive Agencies (House) |
| Y 4.F 22 | Special Committee to Investigate Farm Labor Conditions in the West (Senate) |
| Y 4.F 73 | Special Committee to Investigate Food Shortages (House) |
| Y 4.G 21 | Special Committee to Investigate Gasoline and Fuel Oil Shortages (Senate) |
| Y 4.L 78/2 | Special Committee to Investigate Lobbying Activities |
| Y 4.C 86/2 | Special Committee to Investigate Organized Crime in Interstate Commerce (Senate) |
| Y 4.P 75 | Special Committee to Investigate Political Activities, Lobbying and Campaign Contributions (Senate) |
| Y 4.P 92/3 | Special Committee to Investigate Presidential, Vice Presidential, and Senatorial Campaign Expenditures, 1944 |
| Y 4.P 94 | Special Committee to Investigate Propaganda or Money Alleged to Have Been Used by Foreign Governments to Influence United States Senators (Senate) |
| Y 4.T 21 | Special Committee to Investigate Taylor and Other Systems of Shop Management |
| Y 4.C 49/4 | Special Committee to Investigate the Administration and Operation of the Civil Service Laws (Senate) |
| Y 4.C 33/3 | Special Committee to Investigate the Centralization of Heavy Industry in the United States (Senate) |
| Y 4.Ar 5 | Special Committee to Investigate the Cost of Armor Plant |
| Y 4.D 63/4 | Special Committee to Investigate the District of Columbia Excise Board (Senate) |
| Y 4.F 95 | Special Committee to Investigate the Fuel Situation in the Middle West (Senate) |
| Y 4.G 74 | Special Committee to Investigate the Government Hospital for the Insane |
| Y 4.H 81/2 | Special Committee to Investigate the Management and Control of the House Restaurant |
| Y 4.N 21/4 | Special Committee to Investigate the N.L.R.B. (House) |
| Y 4.N 21/2 | Special Committee to Investigate the National Security League (House) |
| Y 4.Ol 1/2 | Special Committee to Investigate the Old-Age Pension System (Senate) |
| Y 4.W 88 | Special Committee to Investigate the Production, Transportation and Marketing of Wool (Senate) |
| Y 4.W 27 | Special Committee to Investigate the Washington Railway and Electrical Company (Senate) |
| Y 4.Un 2/2 | Special Committee to Investigate Unemployment and Relief (Senate) |
| Y 4.F 76/6 | Special Committee to Study Foreign Aid Program (Senate) |
| Y 4.Am 3/5 | Special Committee to Study Problems of American Small Business (Senate) |
| Y 4.R 29/2 | Special Committee to Study the Reorganization of Courts of the United States and Reform of Judicial Procedure (Senate) |
| Y 4.L 44/1 | Special Joint Committee on Revision of Laws |
| Y 4.R 22/1 | Special Joint Committee on the Readjustment of Service Pay |
| Y 3.St 8 | Strategy Council on Drug Abuse (1972-1980) |
| Y 3.Su 1 | Subversive Activities Control Board (1950-1973) |
| Y 3.Su 3 | Sugar Equalization Board (1918-1926) |
| Y 3.H 62/3 | Supreme Court Historical Society (1974- ) |
| Y 3.W 19/7: 201 | Surplus Property Administration (1945-1946) |
| Y 3.T 17/2 | Tariff Board (1909-1916) |
| Y 3.T 17 | Tariff Commission (1882) |
| Y 3.W 84/3 | Task Force on Women, Minorities, and the Handicapped in Science and Technology (1986-1990) |
| Y 3.Al 1s/2 | Temporary Alaska Claims Commission (1964-1969) |
| Y 4.D 36/2 | Temporary Joint Committee on Deficit Reduction |
| Y 4.T 24 | Temporary National Economic Committee |
| Y 4.Se 5/4 | Temporary Select Committee to Study the Senate Committee System |
| Y 3.T 25 | Tennessee Valley Authority (1933- ) |
| Y 3.T 36 | Thomas Jefferson Memorial Commission (1936-1939) |
| Y 3.T 68 | Transportation investigation and Research Board (1940-1944) |
| Y 3.T 79 | Tuberculosis Committee (1906) |
| Y 3.Ar 2/2 | U.S. Arctic Research Commission (1984- ) |
| Y 3.C 42/2 | U.S. Chemical Safety and Hazard Investigation Board (1990- ) |
| Y 3.H 42 | U.S. Commission for the Preservation of America’s Heritage Abroad (1985- ) |
| Y 3.R 27 | U.S. Commission on International Religious Freedom (1998- ) |
| Y 3.C 43/3 | U.S. National Commission on the International Year of the Child (1978-1980) |
| Y 3.Un 3/2 | U.S. Study Commission on Neches, Trinity, Brazos, and San Jacinto River Basins and Intervening Areas (1958-1962) |
| Y 3.Un 3/4 | U.S. Study Commission on the Savannah, Altamaha, Saint Marys, Apalachicola-Chattahoochee, and Perdido-Escambia River Basins and Intervening Areas (1958-1963) |
| Y 3.Un 3/3 | U.S.-FAO Interagency Committee (1958) |
| Y 3.B 27 | United States Access Board (1976- ) |
| Y 3.Ad 9/12 | United States Advisory Commission on Public Diplomacy (1978-2011) |
| Y 3.H 62/2 | United States Capitol Historical Society (1962- ) |
| Y 3.Un 3 | United States Constitutional Sesquicentennial Commission (1935- 1941) |
| Y 3.En 2 | United States Enrichment Corporation (1995-1998) |
| Y 3.H 74 | United States Holocaust Memorial Council (1979- ) |
| Y 3.P 31 | United States Institute of Peace (1984- ) |
| Y 3.M 56 | United States Metric Board (1975-1982) |
| Y 3.R 11/2 | United States Radiation Policy Council (1980-1982) |
| Y 3.R 13/4 | United States Railway Association (1974-1987) |
| Y 3.Se 5 | United States Sentencing Commission (1987- ) |
| Y 3.Un 3/5 | United States-Puerto Rico Commission on Status of Puerto Rico (1964) |
| Y 3.Up 6/4 | Upper Colorado River Commission |
| Y 3.Up 6 | Upper Great Lakes Regional Commission (1967-1981) |
| Y 3.V 55 | Venezuelan Boundary Commission (1897) |
| Y 3.V 64 | Veterans’ Education Appeals Board (1950-1957) |
| Y 3.W 19/8 | War Assets Administration (1947-1949) |
| Y 3.W 19/4 | War Claims Arbiter (1928-1931) |
| Y 3.W 19/9 | War Claims Commission (1948-1954) |
| Y 3.W 19/6 | War Contracts Price Adjustment Board (1944-1951) |
| Y 3.W 19/3 | War Finance Corporation (1918-1939) |
| Y 3.W 19/2 | War Industries Board (1918) |
| Y 3.W 19 | War Investigating Commission (1899) |
| Y 3.W 19/5 | War Policies Commission (1930-1932) |
| Y 3.W 27 | Washington Monument Joint Commission (1876-1888) |
| Y 3.W 29 | Water Resources Council (1965-1982) |
| Y 3.W 52/2 | Western Water Policy Review Advisory Commission (1995-1998)\ |
| Y 3.W 56 | Wheat Director (1919-1920) |
| Y 3.W 58/15 | White House Conference “To Fulfill These Rights” (1966) |
| Y 3.W 58/4 | White House Conference on Aging (1958-1961) |
| Y 3.W 58/19 | White House Conference on Balanced National Growth and Economic Development (1978) |
| Y 3.W 58 | White House Conference on Child Health and Protection (1930) |
| Y 3.W 58/3 | White House Conference on Children (1960) |
| Y 3.W 58/3-2 | White House Conference on Children (1970) |
| Y 3.W 58/6 | White House Conference on Conservation (1962) |
| Y 3.W 58/2 | White House Conference on Education (1954-1955) |
| Y 3.W 58/13 | White House Conference on Equal Employment Opportunity (1965) |
| Y 3.W 58/8 | White House Conference on Export Expansion (1963) |
| Y 3.W 58/22 | White House Conference on Families (1979) |
| Y 3.W 58/16 | White House Conference on Food, Nutrition and Health (1969-1970) |
| Y 3.W 58/18 | White House Conference on Handicapped Individuals (1976) |
| Y 3.W 58/14 | White House Conference on Health (1965) |
| Y 3.W 58/23 | White House Conference on Indian Education |
| Y 3.W 58/17 | White House Conference on Industrial World Ahead (1971) |
| Y 3.W 58/11 | White House Conference on International Cooperation (1965) |
| Y 3.W 58/20 | White House Conference on Library and Information Services (1978) |
| Y 3.W 58/9 | White House Conference on Mental Retardation (1963) |
| Y 3.W 58/5 | White House Conference on Narcotic and Drug Abuse (1962) |
| Y 3.W 58/7 | White House Conference on National Economic Issues (1962) |
| Y 3.W 58/12 | White House Conference on Natural Beauty (1965) |
| Y 3.W 58/21 | White House Conference on Small Business |
| Y 3.W 58/21-2 | White House Conference on Small Business |
| Y 3.W 58/3-3 | White House Conference on Youth (1970-1971) |
| Y 3.H 62/4 | White House Historical Association (1961- ) |
| Y 3.W 83 | Wolf Management Committee (1990-1991) |
| Y 3.W 86 | Woodrow Wilson Centennial Celebration Commission (1954-1957) |
| Y 3.W 86/2 | Woodrow Wilson Memorial Commission (1961-1966) |
| Y 3.W 89/2 | Works Progress Administration (1935-1939) |
| Y 3.W 89 | World War Foreign Debt Commission (1922-1927) |
| Y 3.Y 8 | Yorktown Centennial Commission (1881-1883) |
| Y 3.Y 8/2 | Yorktown Sesquicentennial Commission (1928-1930) |
