United Steelworkers v. Warrior & Gulf Navigation Co. , 80 S. Ct. 1347 ( 1960 )
Cumberland Typographical Union No. 244 v. The Times and Alleganian Company , 943 F.2d 401 ( 1991 )
First Options of Chicago, Inc. v. Kaplan , 115 S. Ct. 1920 ( 1995 )