Swearingen Aviation Corporation v. National Labor Relations Board , 568 F.2d 458 ( 1978 )
National Labor Relations Board v. Romona's Mexican Food Products, Inc. , 531 F.2d 390 ( 1975 )
united-steelworkers-of-america-afl-cio-v-national-labor-relations-board , 390 F.2d 846 ( 1968 )