McDonnell Douglas Corp. v. Green , 93 S. Ct. 1817 ( 1973 )
Texas Department of Community Affairs v. Burdine , 101 S. Ct. 1089 ( 1981 )
Celotex Corp. v. Catrett, Administratrix of the Estate of Catrett , 106 S. Ct. 2548 ( 1986 )
St. Mary's Honor Center v. Hicks , 113 S. Ct. 2742 ( 1993 )
O'CONNOR v. Consolidated Coin Caterers Corp. , 116 S. Ct. 1307 ( 1996 )