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- Cheever, David W. (David Williams), 1831-1915, author1
- Chew, Samuel, 1806-18631
- Childs, Henry H. (Henry Halsey), 1783-18681
- Chittenden, R. H. (Russell Henry), 1856-19431
- Chrestien, A.-T. (André-Thérèse), 1802-1873 author1
- Coates, Reynell, 1802-18861
- Coffin, John G. (John Gorham), 1769-18291
- College of Physicians and Surgeons in the City of New York.1
- Condie, D. Francis (David Francis), 1796-18752
- Cordell, Eugene Fauntleroy, 1843-1913, author1
- Cowley, Rafael A. (Rafael Angel), 1837-1908, author1
- Cox, Abm. L. (Abraham Lidden), 1800-18641
- Crothers, T. D. (Thomas Davison), 1842-1918, author1
- Cutbush, Edward, 1772-18431
- Da Costa, J. M. (Jacob Mendes), 1833-1900 author1
- Dalton, John Call, 1825-18891
- Davidge, John B. (John Beale), 1768-18291
- Davis, N. S. (Nathan Smith), 1817-19041
- Dawson, W. W. (William Wirt), 1828-1893, author2