- Ambrose, Isaac, 1604-16641
- Ambrose, Saint, Bishop of Milan, -3973
- Ambrosiaster1
- Amelia, Princess, daughter of George II, King of Great Britain, 1710-17861
- Amerbach, Basilius, 1488-15352
- Amerbach, Bruno, 1485-1519.2
- Amerbach, Johannes, 1441?-1513, printer1
- American Arcot Mission11
- American Art Association, Anderson Galleries (Firm)1
- American Association for the Advancement of Science1
- American Automobile Association5
- American Bank Note Company3
- American Baptist Foreign Mission Society100
- American Baptist Foreign Mission Society. Assam Mission8
- American Baptist Foreign Mission Society. Assam Mission.11
- American Baptist Foreign Mission Society. Bengal-Orissa Mission167
- American Baptist Foreign Mission Society. Burma Mission1
- American Baptist Foreign Mission Society. East China Mission8
- American Baptist Foreign Mission Society. Japan Mission50
- American Baptist Foreign Mission Society. Philippine Islands Mission1
