Erie Railroad v. Tompkins , 58 S. Ct. 817 ( 1938 )
Conley v. Gibson , 78 S. Ct. 99 ( 1957 )
Hanna v. Plumer , 85 S. Ct. 1136 ( 1965 )
Celotex Corp. v. Catrett, Administratrix of the Estate of Catrett , 106 S. Ct. 2548 ( 1986 )