Subjects
- Anseriformes -- anatomy & histology1
- Antelopes1
- Antelopes -- anatomy & histology1
- Antimalarials1
- Antisepsis1
- Antisepsis -- history1
- Ants1
- Aotidae1
- Aphrodisiacs1
- Araceae1
- Arisaema1
- Arm -- blood supply1
- Arm -- surgery1
- Armed Forces Medical Library (U.S.). Current List Division.1
- Army Medical Library (U.S.). Catalog Division.1
- Army Prosthetics Research Laboratory (U.S.)1
- Art1
- Arthritis, Juvenile1
- Arthropods -- physiology1
- Artiodactyla1