Celotex Corp. v. Catrett, Administratrix of the Estate of Catrett , 106 S. Ct. 2548 ( 1986 )
Smith v. Arkansas State Highway Employees, Local 1315 , 99 S. Ct. 1826 ( 1979 )
Mt. Healthy City School District Board of Education v. Doyle , 97 S. Ct. 568 ( 1977 )