| Y 3.B 22 | Commission on Bankruptcy Laws of the United States (1970-1973) |
| Y 3.B 27 | United States Access Board (1976- ) |
| Y 3.B 32 | Battle of New Orleans Sesquicentennial Celebration Commission (1962-1965) |
| Y 3.B 32/2 | Battle of Lake Erie Sesquicentennial Celebration Commission (1962-1963) |
| Y 3.B 45 | Berlin Silver Commission (1894) |
| Y 3.B 47/2 | Commission on the Bicentennial of the United States Constitution (1983-1991) |
| Y 3.B 49 | National Advisory and Coordinating Council on Bilingual Education (1968-1988) |
| Y 3.B 54 | Bituminous Coal Commission (1919-1920) |
| Y 3.B 54/2 | Bituminous Coal Consumers' Counsel (1941-1943) |
| Y 3.B 61 | Committee for the Purchase from the Blind and Other Severely Handicapped (1938-1971, 1974-1993) |
| Y 3.B 65 | Boston National Historic Sites Commission (1955-1960) |
| Y 3.B 78 | Board for International Broadcasting (1973-1995) |
| Y 3.B 78/2 | Advisory Board for Cuba Broadcasting (1983-?) |
