- Clifford Charles Devlin Thorburn
- Clifford D. Shearing
- Clifford Ford
- Clifford O. Hunt
- Clifford Olson's Right to Parole Hearing Sparks Outrage
- Clifton F. Carbin
- Climat
- Climat et société
- Incidence du développement urbain sur le climat
- Climat, information sur le
- Climate Change: Suddenly the World Hates Canada
- Climate Clues from Vancouver Island
- Climatologie
- Clinton Archibald
- Clinton Defends Canadian Federalism
