- Boston Mutual Health Association, author.1
- Bowling, W. K. (William King), 1808-18851
- Bradford, Wm. J. A. (William John Alden), 1791-18581
- Browne, Peter A. (Peter Arrell), 1782-18601
- Bucknell University.1
- Burridge, L. S.1
- Caldwell, Charles, 1772-18531
- Campbell, Henry Fraser, 1824-18911
- Campbell, Robert.1
- Carnochan, J. M. (John Murray), 1817-18872
- Carpenter, William Benjamin, 1813-18851
- Carson, Joseph, 1808-18761
- Cartwright, Samuel A. (Samuel Adolphus), 1793-1863, author1
- Caspari, Karl Gottlob, 1798-18281
- Cazenave, P.-L. Alphée (Pierre-Louis Alphée), 1795-18771
- Central New York Homoeopathic Society.1
- Chabert, J. X. (Julien Xavier), 1792-18591
- Channing, William F. (William Francis), 1820-19011
- Churchill, Fleetwood, 1808-18781
- Clapp, A. (Asahel)1