United Steelworkers v. Warrior & Gulf Navigation Co. , 80 S. Ct. 1347 ( 1960 )
Amstar Corporation v. Amalgamated Meat Cutters and Butcher Workmen of North America, Afl-Cio , 468 F.2d 1372 ( 1972 )
Monongahela Power Company, an Ohio Corporation v. Local No. 2332 International Brotherhood of Electrical Workers, Afl-Cio-Clc , 484 F.2d 1209 ( 1973 )