Encyclopedias, Almanacs, Transcripts, and Maps
- Church III, Frank Forrester
- Church of Jesus Christ of Latter-Day Saints
- Churchill, John, Duke of Marlborough (1650–1722)
- Churchill, Winston (1874–1965)
- Ciano, Galeazzo (1903–1944)
- Cicely Veronica Wedgwood
- Cigarettes
- Cigars
- CIO Anticommunist Drive
- CIO Expelled from AFL
- CIO Joins, AFL Rejects WFTU
- Circular Flow of Economic Activity
- Circuses
- Cisneros, Cardinal Francisco Jiménez De (1436–1517)
- Cities and Towns
- Cities and Towns in the Americas
- City Growth and Development
- Ciudad Rodrigo, battle of
- Civic Union
- Civil Engineering and Building Technology