Encyclopedias, Almanacs, Transcripts, and Maps
- Clare, Richard de
- Clarence, Thomas, 1st duke of
- Clarendon palace
- Clark, Abraham
- Clark, Helen Elizabeth
- Clark, Ramsey
- Clark, Septima
- Clark, Thomas
- Clark, William and Lewis, Meriwether
- Clarke, Alured
- Clarke, Austin
- Clarke, Elijah
- Clarke, Lewis G.
- Clarke, Rebecca Thacher
- Claro M. Recto
- Class and Social Relations
- Class, Status, and Order
- Class: Overview
- Classical Heritage and American Politics
- Classicianus