Reef Corporation v. Commissioner of Internal Revenue, Commissioner of Internal Revenue v. Reef Corporation , 368 F.2d 125 ( 1966 )
Helvering v. Southwest Consolidated Corp. , 62 S. Ct. 546 ( 1942 )
Helvering v. Alabama Asphaltic Limestone Co. , 62 S. Ct. 540 ( 1942 )