Encyclopedias, Almanacs, Transcripts, and Maps
- Cox, Harvey Gallagher, Jr.
- Crabb, Henry A. (1827–1857)
- Crabbe, Clarence Linden ("Buster")
- Craho
- Craig's Theorem
- Craig, Gordon Alexander
- Craige, John Houston (c. 1890–?)
- Crain, Jeanne Elizabeth
- Cranach, Lucas 1472–1553 German Painter
- Cranmer, Thomas 1489–1556 Archbishop of Canterbury
- Cratylus
- Cray, Seymour Roger
- Creation and Conservation
- Cree, Western Woods
- Creeks
- Creel, Enrique Clay (1854–1931)
- Creeley, Robert White
- Creelman Interview
- Creighton, James Edwin (1861–1924)
- Crémieux Decree