A. A. Lewis & Co. v. Commissioner , 57 S. Ct. 799 ( 1937 )
Morrissey v. Commissioner , 56 S. Ct. 289 ( 1935 )
Helvering v. Coleman-Gilbert Associates , 56 S. Ct. 285 ( 1935 )
Swanson v. Commissioner , 56 S. Ct. 283 ( 1935 )
Helvering v. Combs , 56 S. Ct. 287 ( 1935 )