Szabo Food Services, Inc. v. National Labor Relations Board , 550 F.2d 705 ( 1976 )
Niagara University v. National Labor Relations Board , 558 F.2d 1116 ( 1977 )
amalgamated-clothing-workers-of-america-el-paso-district-joint-board , 491 F.2d 595 ( 1974 )
Packard Motor Car Co. v. National Labor Relations Board , 330 U.S. 485 ( 1947 )