| Y 3.Ec 7 | Economy and Efficiency Commission (1910-1913) |
| Y 3.Ec 7/2 | National Advisory Council on Economic Opportunity (1964- 1981) |
| Y 3.Ec 7/3 | National Economic Commission (1987-1989) |
| Y 3.Ec 74 | Economic Security Committee (1934-1936) |
| Y 3.Ec 74/2 | Board of Economic Warfare (1941-1943) |
| Y 3.Ec 74/2: 101 | Office of Exports (1942-1943) |
| Y 3.Ec 74/3 | Economic Cooperation Administration (1948-1951) |
| Y 3.Ed 8 | Federal Interagency Committee on Education (1964-1975) |
| 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 8/4 | National Advisory Council on Adult Education (1974-1988) |
| Y 3.Ed 8/5 | National Commission on Financing of Postsecondary Education (1973-1974) |
| Y 3.Ed 8/6 | Advisory Council on Women's Educational Programs (1976-1988) |
| Y 3.Ed 8/7 | National Advisory Council on Equality of Educational Opportunity (1972-1979) |
| Y 3.Ed 8/8 | National Advisory Council on Continuing Education (1965-1987) |
| Y 3.Ed 8/9 | Intergovernmental Advisory Council on Education (1980-1981) |
| Y 3.Ed 8/10 | National Education Goals Panel |
| Y 3.Ed 8/11 | National Commission on Responsibilities for Financing Postsecondary Education (1989) |
| Y 3.Ei 4 | Eight Hour Commission (1916-1917) |
| Y 3.El 2 | Electoral Commission of 1877 (1877) |
| Y 3.El 2/2 | Electric Home and Farm Authority (1933-1939) |
| Y 3.El 2/3 | Federal Election Commission (1974- ) |
| Y 3.El 2/4 | National Commission on Electronic Fund Transfers (1974-1977) |
| Y 3.El 2/5 | Election Assistance Commission (2002- ) |
| 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.Em 7/2 | National Commission on Employment and Unemployment Statistics (1978-1980) |
| Y 3.Em 7/3 | National Commission for Employment Policy (1978-1998) |
| Y 3.En 2 | United States Enrichment Corporation (1995-1998) |
| Y 3.En 8 | North American Commission for Environmental Cooperation (1994- ) |
| Y 3.Eq 2 | Equal Employment Opportunity Commission (1965- ) |
| Y 3.Er 4 | Ericsson Memorial Commission (1918) |
| Y 3.Et 3 | Office of Government Ethics (1978- ) |
| Y 3.Ex 3 | Joint Commission on Laws Organizing Executive Departments (1893-1894) |
| Y 3.Ex 3/2 | Executive Council (1933-1934) |
| Y 3.Ex 3/3 | Commission on Executive, Legislative and Judicial Salaries (1967-1989) |
| Y 3.Ex 7 | Exports Control Committee (1918-1919) |
| Y 3.Ex 7/2 | Office of the Administrator of Export Control (1940-1941) |
| Y 3.Ex 7/3 | Export-Import Bank of the United States (1968- ) |
| Y 3.Ex 8 | National Advisory Council on Continuing Education (1965-1987) |
