deaton-truck-line-inc-v-national-labor-relations-board-teamsters , 337 F.2d 697 ( 1964 )
insurance-workers-international-union-afl-cio-v-national-labor-relations , 360 F.2d 823 ( 1966 )
National Labor Relations Board v. Burns International Security Services, Inc. , 92 S. Ct. 1571 ( 1972 )