Encyclopedias, Almanacs, Transcripts, and Maps
- Wolf v. Colorado 338 U.S. 25 (1949)
- Wolff Packing Company v. Court of Industrial Relations 262 U.S. 522 (1923)
- Wolman v. Walter 433 U.S. 229 (1977)
- Woman Suffrage Movement
- Women in Constitutional History
- Wong Kim Ark, United States v. 169 U.S. 649 (1898)
- Wong Sun v. United States 371 U.S. 471 (1963)
- Wood v. Strickland 420 U.S. 308 (1975)
- Woodbury, Levi (1789–1851)
- Woodruff v. Parham 8 Wallace 123 (1869)
- Woods v. Cloyd W. Miller Company 333 U.S. 138 (1948)
- Woods, William B. (1824–1887)
- Workers' Compensation Legislation
- Workplace Harassment and the First Amendment, I
- Workplace Harassment and the First Amendment, II
- World War I: Loss of the German Codebook
- World War II, The Surrender of the Italian Army
- World War II, United States Breaking of Japanese Naval Codes
- Wortman, Tunis (?–1822)
- Wright v. Vinton Branch of Mountain Trust Bank of Roanoke 300 U.S. 440 (1937)