- Campaign Expenditures, Special Committee to Investigate, House9
- Executive Agencies of Government, Select Committee on Investigation of, Senate9
- Expenditures in Department of Agriculture Committee9
- Federal Aid in Construction of Post Roads, Joint Committee on9
- Gasoline and Fuel-Oil Shortages, Special Committee to Investigate, Senate9
- Government Organization, Select Committee on, House9
- Indian Affairs, Committee9
- National Labor Relations Board, Special Committee to Investigate, House9
- Nutrition and Human Needs, Select Committee on, Senate9
- Postal Rates Special Joint Subcommittee9
- Tariff Commission, Select Committee on Investigation of, Senate9
- Wool, Special Committee to Investigate Production, Transportation, and Marketing of, Senate9
- Aeronautical and Space Sciences Committee, Senate8
- Alcoholic Liquor Traffic Committee8
- Arlington Memorial Amphitheater Commission8
- Atomic Energy, Special Committee on, Senate8
- Expenditures in Justice Department Committee8
- Expenditures in Navy Department Committee8
- Interstate Migration of Destitute Citizens, Select Committee to Investigate, House8
- Postal Savings System8