Spies v. United States , 63 S. Ct. 364 ( 1943 )
Commissioner v. Wilcox , 66 S. Ct. 546 ( 1946 )
Warszower v. United States , 61 S. Ct. 603 ( 1941 )
United States v. Johnson , 63 S. Ct. 1233 ( 1943 )