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- Coleman, Barbara J.1
- Colescott, Warrington, 1921-2018, artist1
- Commerford, William.1
- Conference on Basic Mechanisms of Cellular Secretion (1979 : Annapolis, Md.)1
- Conferencia Interamericana sobre Problemas de Fraude y Corrupción en el Gobierno 1997 : Lima, Peru)1
- Cong, Zhiyuan, 1955-1
- Congreso Internacional de Derecho y Economia Farmaceutica (1990 : Granada, Spain)1
- Congreso Peruano de Planificación Familiar 1989 : Lima, Peru)1
- Congresso Brasileiro de Reumatologia 1978 : Porto Alegre, Brazil)1