Encyclopedias, Almanacs, Transcripts, and Maps
- Constitutional History, 1989–1999
- Constitutional Interpretation
- Constitutional Reason of State
- Constitutional Reform
- Constitutional Remedies
- Constitutional Remedies (Update)
- Constitutional Theory
- Constitutional Theory (Update)
- Constitutionalism and the American Founding
- Contempt Power, Judicial
- Contempt Power, Judicial (Update)
- Continuity Irish Republican Army (CIRA)
- Continuity of Government, United States
- Continuous Assisted Performance (CAP)
- Contract Clause
- Controlled-Substance Abuse
- Cooley v. Board of Wardens of Port of Philadelphia 12 Howard 299 (1851)
- Cooley, Thomas M. (1824–1898)
- Coolidge v. New Hampshire 403 U.S. 443 (1971)
- Coolidge, Calvin (1872–1933)