Palmer v. Commissioner ( 1937 )
Helvering v. Horst ( 1940 )
Commissioner of Internal Revenue v. Irving Gordon and Margaret Gordon, Irving Gordon and Margaret Gordon v. Commissioner of Internal Revenue ( 1967 )
Choate v. Commissioner of Internal Revenue ( 1942 )
Gibson v. Commissioner of Internal Revenue ( 1943 )
Burnet v. Sanford & Brooks Co. ( 1931 )