- Campbell Hospital. Washington, D.C1
- Campbell U.S. Genl. Hospital, Washington, D.C1
- Canada, the recent smallpox epidemic in Montreal1
- Cannabis Sativa, Linn1
- Captain Dearborn1
- Captain Robert Stolpe1
- Cared For2
- Carl Baunscheidt1
- Carl Credé1
- Carl Graf v. Harrach1
- Carl Graf v. Harrach. Med. Doctr1
- Carl Gustav Carus1
- Carl Kurtz, M.D1
- Carl Siegmund Franz Credé1
- Carl Wenzel1
- Carlton Pennington Frost1
- Carnot malade1
- Carolus Linnaeus, Knight Of The Polar Star, First Physician To The King1
- Carrie M. Hall1
- Carver Barracks, Washington, D.C1