- 1 Cork Distilleries Company
- 1 Cork, Mary Boyle, Countess of, d. 1840
- 1 Corks (stoppers)
- 2 Corliss bevel gear cutter
- 4 Corliss Steam Engine Company
- 8 Corliss, George H. (George Henry), 1817-1888
- 13 Corn
- 8 Corn Exchange National Bank
- 6 Cornelius & Sons
- 1 Cornelius & Sons Brass Foundry
- 1 Cornelius and Baker Lighting Manufactory
- 3 Cornelius, Anne Brown
- 1 Cornelius, Saint, Pope
- 1 Cornell University
- 7 Cornerstone laying
- 1 Cornerstones
- 2 Cornices
- 1 Cornstalk
- 16 Cornucopias
- 3 Cornucopias (motifs)
- 1 Cornwallis, Charles Cornwallis, Marquis, 1738-1805
- 2 Corporate headquarters
- 1 Corporate mergers
- 1 Corr, J. Coal, Lime & Stone Yard
- 6 Correspondence
- 6 Corridors
- 8 Corruption
- 5 Corsets
- 3 Corsica and Sardinia
- 1 Cortez Palace
- 1 Cosco, Leandro di
- 3 Cosens, F. W. (Frederick William), 1819-1889
- 7 Cosmetics
- 8 Cosmetics industry
- 2 Cost & standard of living
- 1 Costa Rica
- 1 Costa, Michael, 1808-1884.
- 2 Costello, Dudley, 1803-1865
- 7 Costs
- 200 Costume (mode of fashion)