W. R. Grace & Co. v. Local Union 759, International Union of the United Rubber, Cork, Linoleum & Plastic Workers ( 1983 )
United Steelworkers v. Enterprise Wheel & Car Corp. ( 1960 )
Celotex Corp. v. Catrett, Administratrix of the Estate of Catrett ( 1986 )
United Paperworkers International Union v. Misco, Inc. ( 1987 )