Adickes v. S. H. Kress & Co. , 90 S. Ct. 1598 ( 1970 )
Celotex Corp. v. Catrett, Administratrix of the Estate of Catrett , 106 S. Ct. 2548 ( 1986 )
Anderson v. Liberty Lobby, Inc. , 106 S. Ct. 2505 ( 1986 )