- Library Committee190
- Library Committee, House9
- Library Joint Committee1
- Lincoln Memorial Commission2
- Lobby Investigation Select Committee4
- Lorimer, William, Committee to Investigate Election of1
- Manufactures Committee3
- 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
- Merchant Marine and Fisheries Committee788
- Merchant Marine and Fisheries Committee, House150
- Merchant Marine, Radio, and Fisheries Committee, House1
- Military Affairs Committee1,711
- Military Affairs Committee, House48
- Militia Committee6
- Mines and Mining Committee80
- Mines and Mining Committee, House3
- Mines and Mining committee, House1
- Minks and Mining Committee2
- National Defense Program in Its Relation to Small Business in United States, Select Committee to Conduct Study and Investigation of, House9