Helvering v. American Dental Co. ( 1943 )
Fowler Bros. & Cox, Inc. v. Commissioner of Internal Revenue ( 1943 )
Helvering v. Canfield ( 1934 )
Hellmich v. Hellman ( 1928 )
Holmby Corporation v. Commissioner of Internal Rev. ( 1936 )
Van Norman Co. v. Welch ( 1944 )
Foster v. United States ( 1938 )
United States v. Kirby Lumber Co ( 1931 )