Helvering v. Elbe Oil Land Development Co. , 58 S. Ct. 621 ( 1938 )
Anderson v. Helvering , 60 S. Ct. 952 ( 1940 )
McLean v. Commissioner , 41 B.T.A. 565 ( 1940 )
Cullen v. Commissioner of Internal Revenue , 118 F.2d 651 ( 1941 )
Pettit v. Commissioner of Internal Revenue , 118 F.2d 816 ( 1941 )
Burnet v. Harmel , 53 S. Ct. 74 ( 1932 )
Palmer v. Bender , 53 S. Ct. 225 ( 1932 )