- Machinery (2)
- Macy, Harold, 1895 (1)
- Magnuson, Kenneth G. (1)
- Malkerson, Lester A. (3)
- Marshall University High School (Minneapolis, Minn.) (1)
- Martin, Charles W. (1)
- Mastitis. Treatment (1)
- Mathis, Johnny (1)
- Mc Glynn, Joseph R. (1)
- Meat Cutting (1)
- Medical Genetics. Subject (1)
- Medicine (2)
- Meetings (3)
- Memorials (1)
- Men (1)
- Metaxas, Ioannis, 1871 1941 (2)
- Mid America Exhibit Center (3)
- Middlebrook, William T. 1892–1974 (1)
- Military Social Work (1)
- Military Supplies (1)
