Encyclopedias, Almanacs, Transcripts, and Maps
- Common Agricultural Policy
- Common Property Resources, Past and Present
- Communications, the Media, and Propaganda
- Comparative European Social History
- Comparative Genocide
- Complicity
- Comte, Auguste (1798–1857)
- Comuzzi, Hon. Joe, B.A., LL.B. (Thunder Bay-Superior North) Minister of State for Federal Economic Development Initiative for Northern Ontario
- Conditions of Employment Act of 1936
- Conditions of the Plantation of Ulster
- Condorcet, Marquis de (1743–1794)
- Confederation of Kilkenny
- Confederation of Kilkenny
- Confessio (Declaration)
- Congested Districts Board
- Congress Initiation
- Constitution of the Irish Free State
- Consumer Leisure
- Contract Farming
- Control Council Law No. 10