Creator
- American Committee for the Defense of Leon Trotsky1
- American LaFrance Fire Engine Company3
- American National Red Cross1
- American Social Hygiene Association1
- American Sterilizer Company1
- American Stove Company1
- Ames, Jessie D.1
- Ames, Maye B.1
- Anaya, Pedro María de2
- Anderson Corporation1
- Anderson, Linda1
- Anglo-American Roofing Co.1
- Anthis, Fay1
- Anvernoy, G.19
- Aoki, Hiroyoshi5
- Archives of American Art1
- Arnett, M. S.1
- Arnold, Jacob1
- Arnott, James A.2
- Arredondo, José Joaquín de2