McDonnell Douglas Corp. v. Green , 93 S. Ct. 1817 ( 1973 )
Carolyn J. EVANS, Plaintiff-Appellant, v. UNITED AIR LINES, INC., Defendant-Appellee , 534 F.2d 1247 ( 1976 )
United Air Lines, Inc. v. Evans , 97 S. Ct. 1885 ( 1977 )