Places
- Cabell County (W. Va.)5
- Cacapon River (W. Va.)1
- Cadiz (Ohio) -- History1
- Cairo (Ill.)1
- Calhoun County (W. Va.) 2
- Calhoun County (W. Va.) -- 19th century1
- Calhoun County (W. Va.) -- Genealogy1
- California4
- California -- Gold discoveries1
- California--Gold discoveries3
- California--History--1850-19501
- Camp Branch Run1
- Camp Chase (Ohio)3
- Camp of Instruction (Richmond, Va.)1
- Campbell County (Va.)--History3