Helvering v. Mitchell ( 1938 )
Spies v. United States ( 1943 )
John L. Stephenson v. Commissioner of Internal Revenue ( 1984 )
Robert W. Bradford v. Commissioner of Internal Revenue ( 1986 )
Chris D. Stoltzfus and Irma H. Stoltzfus v. United States ( 1968 )
Bolen Webb and Cornelia Webb v. Commissioner of Internal Revenue ( 1968 )
William J. Drieborg and Laura D. Drieborg v. Commissioner of Internal Revenue, William J. Drieborg v. Commissioner of Internal Revenue ( 1955 )