Helvering v. Horst , 61 S. Ct. 144 ( 1940 )
George v. Commissioner of Internal Revenue , 143 F.2d 837 ( 1944 )
Commissioner of Internal Revenue v. Buck , 120 F.2d 775 ( 1941 )
Lindstrom v. Commissioner of Internal Revenue , 149 F.2d 344 ( 1945 )
Helvering v. Clifford , 60 S. Ct. 554 ( 1940 )
Harrison v. Schaffner , 61 S. Ct. 759 ( 1941 )