Encyclopedias, Almanacs, Transcripts, and Maps
- Cooper v. Aaron 358 U.S. 1 (1958)
- Cooper, Thomas (1759–1839)
- Cooperative Federalism
- Coordinator for Counterterrorism, United States Office
- Coppage v. Kansas 236 U.S. 1 (1915)
- Copyright Security
- Corfield v. Coryell 4 Wash. C.C. 371 (1823) 6 Fed. Case 546 (No. 3,230)
- Cornelius v. Naacp Legal Defense and Educational Fund, Inc. 473 U.S. 788 (1985)
- Corporate Citizenship
- Corporate Federalism (Historical Development)
- Corporate Power, Free Speech, and Democracy
- Corporations and the Constitution
- Corrigan v. Buckley 271 U.S. 323 (1926)
- Corwin Amendment (1861)
- Corwin, Edward S. (1878–1963)
- Counselman v. Hitchcock 142 U.S. 547 (1892)
- Counter-Terrorism Rewards Program
- Counterfeit Currency, Technology and the Manufacture
- Countries of Concern
- County of Allegheny v. American Civil Liberties Union 492 U.S. 573 (1989)