Subjects
- Ambulances -- organization & administration1
- American Association for the Relief of the Misery of Battle Fields.1
- American Civil War1
- American Civil War1,119
- American Institute of Homeopathy.1
- American Medical Association.3
- American Medical Association. Annual Meeting1
- American Philosophical Society.1
- American Revolution1
- Amputation4
- Amputation -- methods1
- Anesthesia2
- Anesthesia -- history1
- Animal Feed1
- Animal Welfare1
- Ankle Joint -- surgery1
- Anniversaries and Special Events3
- Anthrax1
- Anthropology, Physical1
- Antimony Potassium Tartrate -- adverse effects1