Encyclopedias, Almanacs, Transcripts, and Maps
- Carracci Family
- Carrier Warfare
- Carrington, Edward
- Carroll O'Connor
- Carroll, Charles
- Carroll, Diahann
- Carson, Christopher "Kit"
- Cartagena de Indias
- Carter Family of Virginia
- Carter, Helen Violet Asquith Bonham
- Carter, John Champe
- Carter, Martin
- Cartography and Geography
- Cartography in the Colonial Americas
- Cartridge Boxes
- Cartwright, Mary Lucy
- Casanova, Giacomo Girolamo
- Case, Stephen M.
- Casement, Roger (1864–1916)
- Casimir III, King of Poland