Encyclopedias, Almanacs, Transcripts, and Maps
- Cleaver, (Leroy) Eldridge
- CLEFT SENTENCE
- Clemens, (William) Roger
- Clement of Alexandria (c. 150–c. 213)
- Clemente (Walker), Roberto
- Clemente Walker, Roberto (1934–1972)
- Cline, Howard F. (1915–1971)
- Clipperton Island
- Clocks
- Clocks and Watches
- Closed Corporate Peasant Community (CCPC)
- Clothing and Textiles
- Clouthier del Rincón, Manuel J. (1934–1989)
- Club Femenino
- Club National Israélite
- Clurman, Richard Michael
- Cluzeau-Mortet, Luis [Ricardo] (1889–1957)
- Coast Miwok
- Coatepeque, Battle of
- Coatlicue