- MacDonald, Beverly1
- Macy, John W., 1917-19861
- Marshall University1
- Maxwell Air Force Base (Ala.)1
- Mescalero Apache Tribe of Oklahoma1
- Modoc Tribe of Oklahoma1
- Moffett, Toby, 1944-1
- Morris, John W., 1921-20131
- Murtha, John P.1
- NOW National Action Center1
- National Council of Senior Citizens1
- National Organization for Women. Campus Coordinating Committee1
- National Science Foundation (U.S.)1
- Navajo Tribe of Arizona, New Mexico & Utah1
- New Sounds, Inc.1
- Oakar, Mary Rose1
- Osage Nation1
- Otoe-Missouria Tribe of Indians1
- Ottawa Tribe of Oklahoma1
- Pell, Claiborne, 1918-20091
