Matsushita Electric Industrial Co., Ltd. v. Zenith Radio Corporation , 106 S. Ct. 1348 ( 1986 )
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 )