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 )
Hishon v. King & Spalding , 104 S. Ct. 2229 ( 1984 )