Qualls v. Apfel ( 2000 )
Mary Hope CASIAS, Plaintiff-Appellant, v. SECRETARY OF HEALTH & HUMAN SERVICES, Defendant-Appellee ( 1991 )
Danny CLIFTON, Plaintiff-Appellant, v. Shirley S. CHATER, Commissioner of Social Security, Defendant-Appellee ( 1996 )
Richardson v. Perales ( 1971 )