Encyclopedias, Almanacs, Transcripts, and Maps
- cordite
- Córdoba, Fernández de
- Cordova
- Corey, Elias James
- corgi
- Corinth, Gulf of
- Corinth, Isthmus of
- Corinthian War
- Corinto
- corkwood
- Cormenin, Louis Marie de La Haye, vicomte de
- corn borer
- corn earworm
- Cornaro, Caterina
- Cornbury, Edward Hyde, Viscount
- cornel
- cornelian
- cornelian cherry
- Cornelius, Saint
- Cornell, Eric Allin