United Automobile, Aircraft & Agricultural Implement Workers of America v. Wisconsin Employment Relations Board et al.

Decided June 4, 1956. Stanley Forman Reed delivered the opinion of the Court.

Docket 530 · 351 U.S. 266 (1956) · Cited 181 times

We don’t yet publish a summary of this opinion — read the official text below for the Court’s holding and reasoning.

How the Justices voted

Decided 6–3.

“Concurring” means agreeing with the outcome; any split shown is the Court’s judgment, not each Justice’s reasoning. Source: the Supreme Court Database (Spaeth et al.), Washington University.

Precedents cited

Supreme Court decisions this opinion relies on, ordered by how often it cites each. Cases in our collection link through; others are named.

• Garner v. Teamsters, Chauffeurs & Helpers Local Union No. 776 · 346 U.S. 485 (1953)
• Allen-Bradley Local No. 1111 v. Wisconsin Employment Relations Board · 315 U.S. 740 (1942)
• Weber v. Anheuser-Busch, Inc. · 348 U.S. 468 (1955)
• United Construction Workers v. Laburnum Construction Corp. · 347 U.S. 656 (1954)
• National Labor Relations Board v. Jones & Laughlin Steel Corp. · 301 U.S. 1 (1937)
• Phelps Dodge Corp. v. National Labor Relations Board · 313 U.S. 177 (1941)
• National Labor Relations Board v. Hearst Publications, Inc. · 322 U.S. 111 (1944)
• Hughes v. Superior Court of Cal. for Contra Costa Cty. · 339 U.S. 460 (1950)
• Kelly v. Washington Ex Rel. Foss Co. · 302 U.S. 1 (1937)
• International Union, U. A. W. A., A. F. of L., Local 232 v. Wisconsin Employment Relations Board · 336 U.S. 245 (1949)
• International Brotherhood of Teamsters v. Hanke · 339 U.S. 470 (1950)
• California v. Zook · 336 U.S. 725 (1949)
• International Union of United Automobile v. O'Brien · 339 U.S. 454 (1950)

Cited by

Later Supreme Court opinions in our collection that cite this case.

• San Diego Building Trades Council v. Garmon · 359 U.S. 236 (1959)
• United Mine Workers of America v. Gibbs · 383 U.S. 715 (1966)
• International Union, United Automobile, Aircraft & Agricultural Implement Workers v. Russell · 356 U.S. 634 (1958)
• McDonald v. City of Chicago · 561 U.S. 742 (2010)
• United States v. Bass · 404 U.S. 336 (1971)
• Sears, Roebuck & Co. v. San Diego County District Council of Carpenters · 436 U.S. 180 (1978)
• Lodge 76, International Ass'n of MacHinists & Aerospace Workers v. Wisconsin Employment Relations Commission · 427 U.S. 132 (1976)
• Brotherhood of Railroad Trainmen v. Jacksonville Terminal Co. · 394 U.S. 369 (1969)
• International Ass'n of MacHinists v. Gonzales · 356 U.S. 617 (1958)
• Youngdahl v. Rainfair, Inc. · 355 U.S. 131 (1957)

Official text

Read the official opinion (U.S. Reports, govinfo.gov)

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Source: the U.S. Reports via govinfo.gov; authoring Justice and vote lineup from the Supreme Court Database (Washington University). Citation count from the Free Law Project’s CourtListener bulk data. Data last verified 2026-07-03. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).