Encyclopedias, Almanacs, Transcripts, and Maps
- Commission on Civil Rights, United States
- Committee for Public Education and Religious Liberty v. Nyquist 413 U.S. 752 (1973) Sloan v. Lemon 413 U.S. 825 (1973)
- Committee for Public Education and Religious Liberty v. Regan 444 U.S. 646 (1980)
- Common Law (Anglo-American)
- Commonwealth Status
- Commonwealth v. Aves 18 Pickering (Mass.) 193 (1836)
- Commonwealth v. Caton 4 Call's (Va.) Reports (1782)
- Commonwealth v. Jennison (Massachusetts, 1783, Unreported)
- Commonwealth v. Sacco and Vanzetti (Massachusetts, 1921)
- Communicable Diseases, Isolation, and Quarantine
- Communications Act 48 Stat. 1064 (1934)
- Communications and Community
- Communications and Democracy
- Communications Decency Act 110 Stat. 56 (1996)
- Communications System, United States National
- Communist Control Act 68 Stat. 775 (1954)
- Communist Party of the United States v. Subversive Activities Control Board 367 U.S. 1 (1961)
- Companion Case
- Compelled Speech
- Compelling State Interest