Authors: P
- Cobbett, William 1763-1835
- Cochrane, Henry Park 1856-1943
- Cockerell, Samuel Pepys 1844-1921
- Coffey, P. (Peter) 1876-1943
- Cogger, Edward P. -
- Cohen de Vries, P. J. (Paulina Jacoba) 1884-1923
- Cohn, Paul V. (Paul Victor) -
- Colagrossi, Mariano 1871-1935
- Cole, J. P. (James Perry) 1889-1977
- Coleman, A. P. (Arthur Philemon) 1852-1939
- Coleman-Norton, Paul R. (Paul Robinson) 1898-1971
- Coleman, Ralph P. (Ralph Pallen) 1892-1968
- Collado, Mariano Antonio 1796-1853
- College of Pharmacy of the City of New York -
- Collier, Price 1860-1913
- Collin de Plancy, J.-A.-S. (Jacques-Albin-Simon) 1794-1881
- Colman, Miss (Pamela Atkins) 1824-1900
- Colman, Mrs. (Pamela Chandler) 1799-1865
- Colomb, P. H. (Philip Howard) 1831-1899
- Colonna de Cesari-Rocca, Pierre Paul Raoul, comte 1864-1922
- Col, Pierre, active 1402 -
- Colquhoun, Patrick 1745-1820
- Columban, M., Dame -
- Columbia Broadcasting System, Inc. -
- Colum, Padraic 1881-1972
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