U.S. Supreme Court opinions from 1980.
447 U.S. 134
447 U.S. 191
447 U.S. 207
447 U.S. 231
447 U.S. 255
447 U.S. 264
447 U.S. 27
447 U.S. 303
447 U.S. 323
447 U.S. 343
447 U.S. 352
447 U.S. 381
447 U.S. 404
447 U.S. 410
447 U.S. 429
447 U.S. 455
447 U.S. 490
447 U.S. 530
447 U.S. 54
447 U.S. 557