Elmhurst Cemetery Co. of Joliet v. Commissioner , 57 S. Ct. 324 ( 1937 )
Helvering v. National Grocery Co. , 58 S. Ct. 932 ( 1938 )
Helvering v. Rankin , 55 S. Ct. 732 ( 1935 )
Welch v. Helvering , 54 S. Ct. 8 ( 1933 )
George La Monte & Son v. Commissioner of Internal Revenue , 32 F.2d 220 ( 1929 )