- Mitchell, Clarence M. (Clarence Maurice), 1911-1984.1
- Montgomery (Ala.)1
- Montgomery Bus Boycott, Montgomery, Ala., 1955-1956.1
- Motion picture industry.1
- Motion picture journalism.1
- Municipal courts.1
- Municipal incorporation.1
- Musicians.1
- Muslims--United States.1
- My Lai Massacre, Vietnam, 1968.1
- Nance, M. Maceo (Milligan Maceo), 1925-2001.1
- National Forensic League (U.S.)1
- Nonviolence.1
- Nuclear weapons1
- Nuclear weapons--Soviet Union--Testing.1
- Nurses.1
- Older people--Housing.1
- Ordinances, Municipal.1
- Outdoor recreation.1
- Outer space--Exploration--United States--History--20th century.1