Encyclopedias, Almanacs, Transcripts, and Maps
- Crittenden, Thomas Theodore
- Crna Gora
- Croatoan
- crochet work
- Crocker, Charles
- crofting
- Crofton, Sir John Wenman
- Croissy, Charles Colbert, marquis de
- Croix, Carlos Francisco de Croix, marqués de
- Croker, Richard
- Cromarty
- Cromarty Firth
- Cromberger, Juan
- Crommelynck, Fernand
- Cronaca, Il
- Cronquist, Arthur C.
- Cronstedt, Axel Fredrik, Baron
- Crooked Island
- Crookes tube
- Cross, Wilbur Lucius