Encyclopedias, Almanacs, Transcripts, and Maps
- Robinson-Patman Act 49 Stat. 1526 (1936)
- Rochin v. California 342 U.S. 165 (1952)
- Rodney, Caesar A. (1772–1824)
- Roe v. Wade 410 U.S. 113 (1973) Doe v. Bolton 410 U.S. 179 (1973)
- Rogers v. Lodge 458 U.S. 613 (1982)
- Rogers v. Richmond 365 U.S. 534 (1961)
- Romania, Intelligence and Security
- Romer v. Evans 517 U.S. 620 (1996)
- Room 40
- Roosevelt Court
- Roosevelt, Franklin D. (1882–1945)
- Roosevelt, Theodore (1858–1919)
- Rooted in the Past: Seeds of Discord in the Ancient Middle East
- Rosenberg v. United States 346 U.S. 273 (1953)
- Rosenberger v. Rector & Visitors of the University of Virginia 515 U.S. 819 (1995)
- Ross v. Moffitt 417 U.S. 600 (1974)
- Ross, United States v. 456 U.S. 798 (1982)
- Rossiter, Clinton (1917–1970)
- Rostker v. Goldberg 453 U.S. 57 (1981)
- Roth v. United States 354 U.S. 476 (1957) Alberts v. California 354 U.S. 476 (1957)