Encyclopedias, Almanacs, Transcripts, and Maps
- Cottbus
- Cottereau, Jean
- Cotton Belt
- cotton grass
- Cotton, George Edward Lynch
- Cotton, Henry
- cottonseed oil
- cottonwood
- Cottrell, Leonard
- Coubertin, Pierre Frédy, baron de
- Coucy, Robert de
- Coudert, Frederic René
- Coues, Elliott
- Coulomb's law
- Council of
- Council of the European Union
- counselor at law
- counterglow
- Countries of Proliferation Concern
- Counts, George Sylvester