Names
- Cincinnati Northern Railroad Company.1
- Cincinnati, Jackson and Mackinaw Railway Company.1
- Cincinnati, Saginaw and Mackinaw Railroad Company.1
- Clark Iron Co.1
- Clark, Frederick Converse1
- Clark, Frederick Converse.1
- Clark, John Bates, 1847-1938.1
- Clark-Sligh Timber Co.1
- Clark-Sligh Timber Company1
- Clement Miller1
- Clements, William L. (William Lawrence), 1861-1934.1
- Cleveland and Pittsburgh Railroad Company1
- Cleveland-Cliffs Iron Company.1
- Clyde H. Geerlings1
- Cobbs & Mitchell.1
- Colorado and Southern Railway.1
- Columbus, Chicago and Indiana Central Railway Company.1
- Commons, John Rogers, 1862-1945.1
- Company F, 1st Michigan Engineers and Mechanics.1
- Conant, Charles A. (Charles Arthur), 1861-1915.1