Encyclopedias, Almanacs, Transcripts, and Maps
- Currents and Circulation Patterns in the Oceans
- Cuvier, Georges, Baron
- Cuyahoga River
- Cuyp, Albert
- Cycliophora (Wheel Wearers)
- Cyclone Collector
- Cyprian
- Cypriniformes I (Minnows and Carps)
- Cypriniformes II (Loaches and Relatives)
- Cyprinodontiformes (Killifishes and Live-Bearers)
- Cyril and Methodius
- Cyril I
- Cyril of Alexandria
- Cyril of Jerusalem
- Cyrus II
- D?gen
- D?r? Shik?h, Mu?ammad
- D?v?l?
- Da?wah
- dace