U.S. Supreme Court opinions from 1980.
449 U.S. 539
449 U.S. 54
449 U.S. 560
449 U.S. 590
449 U.S. 608
449 U.S. 609
449 U.S. 64
449 U.S. 86
449 U.S. 90
449 U.S. 905
449 U.S. 909
449 U.S. 924
449 U.S. 927
449 U.S. 932
449 U.S. 934
449 U.S. 939
449 U.S. 962
449 U.S. 966
449 U.S. 971
449 U.S. 999