Hubert Brand v. Secretary of the Department of Health, Education and Welfare , 623 F.2d 523 ( 1980 )
Alfred P. Gilliam v. Joseph A. Califano, Secretary, Health, Education & Welfare of the United States or Successor or Successors in Office , 620 F.2d 691 ( 1980 )
Richardson v. Perales , 91 S. Ct. 1420 ( 1971 )