- Airy, George Biddell, 1801-18921
- Akenside, Mark, 1721-17702
- Albany Medical College. Library2
- Albinus, Bernhard Siegfried, 1697-17704
- Alchemy248
- Alcock, Rutherford, Sir, 1809-18701
- Aldrovandi, Ulisse, 1522-1605?2
- Alexander, John, 1891-19541
- Allen, Charles J.1
- Allen, Edgar van Nuys, 1900–19611
- Allen, H. Homer1
- Allen, Willard M., 1904-19931
- Althaus, Julius, 1833-19001
- Alvarez, Walter C. (Walter Clement), 1884-1
- Ambulances1
- American College of Surgeons1
- Amphitheatri Anatomici1
- Amputation1
- Anatomy32
- Anatomy, Artistic248