Celotex Corp. v. Catrett, Administratrix of the Estate of Catrett , 106 S. Ct. 2548 ( 1986 )
Sedima, S. P. R. L. v. Imrex Co. , 105 S. Ct. 3275 ( 1985 )
H. J. Inc. v. Northwestern Bell Telephone Co. , 109 S. Ct. 2893 ( 1989 )