Detroit Edison Co. v. Commissioner , 63 S. Ct. 902 ( 1943 )
Commissioner of Internal Revenue v. Hoffman , 117 F.2d 987 ( 1941 )
Virginian Hotel Corporation v. Helvering, Commissioner of Internal Revenue , 63 S. Ct. 1260 ( 1943 )
Stokes v. Commissioner of Internal Revenue , 124 F.2d 335 ( 1941 )