- Langley, John W., Select Committee to Inquire into Qualifications of1
- Locomotive Inspection Bureau1
- Marshall, H. Snowden, Select Committee to Consider Report of House Judiciary Committee Relative to Conduct of1
- Members of Congress, Select Committee to Investigate Alleged Charges Against1
- Memorial Bridge Commission1
- Merchant Marine and Fisheries Committee, Senate1
- National Botanic Garden Library Joint Committee1
- National Defense Program in its Relation to Small Business in United States, Select Committee to Conduct Study and Survey of, House1
- Nautical Almanac Office1
- Oliver Wendell Holmes Devise Committee1
- Ordnance and Ammunition, Select Committee on Investigation of1
- Pay and Allowances in Army, Navy, etc., Joint Committee to Investigate1
- Pershing, John J., Joint Committee on Arrangement of Welcome to1
- Pneumatic-Tube Mail Service Joint Commission1
- Pointing Committee, House1
- Pornographic Materials, Current, Select Committee on, House1
- Post-Office Leases Select Committee, Senate1
- Postwar Immigration and Naturalization, Select Committee to Investigate and Study Laws and Problems Relating to, House1
- Presidential Campaign Activities, Select Committee on, Senate1
- Presidential, Vice Presidential, and Senatorial Campaign Expenditures, 1940, Special Committee to Investigate, Senate1