Bell v. Wolfish , 99 S. Ct. 1861 ( 1979 )
Wilson v. Seiter , 111 S. Ct. 2321 ( 1991 )
Anderson v. Liberty Lobby, Inc. , 106 S. Ct. 2505 ( 1986 )
Celotex Corp. v. Catrett, Administratrix of the Estate of Catrett , 106 S. Ct. 2548 ( 1986 )