- Caldwell, M. P.1
- Calhoun, Fred Harvey Hall, 1873-1
- Calhoun, Frederick S.1
- Calhoun, William Lowndes, 1837-19081
- Camp, George K.1
- Candler, Warren A. (Warren Akin), 1857-19411
- Cassels, S. J. (Samuel Jones), 1806-18531
- Catchings, T. C. (Thomas Clendinen), 1847-1927.1
- Cathey, Robert A.1
- Census of manufactures (1992)1
- Census of retail trade (1982)1
- Census of retail trade (1987)1
- Census of retail trade (1992)1
- Census of service industries (1982)1
- Census of service industries (1992)1
- Census of transportation (1982)1
- Census of transportation (1987)1
- Census of transportation (1992)1
- Census of wholesale trade (1982)1
- Census of wholesale trade (1992)1
