Detroit Edison Co. v. Commissioner , 63 S. Ct. 902 ( 1943 )
Helvering v. Horst , 61 S. Ct. 144 ( 1940 )
United States v. Ludey , 47 S. Ct. 608 ( 1927 )
Douglas v. Willcuts , 56 S. Ct. 59 ( 1935 )
Eckert v. Burnet , 51 S. Ct. 373 ( 1931 )