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 )
McDonnell Douglas Corp. v. Green , 93 S. Ct. 1817 ( 1973 )
Patterson v. Downtown Medical & Diagnostic Center, Inc. , 866 F. Supp. 1379 ( 1994 )