This opinion cites 10 cases:

Helvering v. Horst ( 1940 )


Helvering v. Hammel ( 1941 )


Douglas v. Willcuts ( 1935 )


Moline Properties, Inc. v. Commissioner ( 1943 )


Hopkins v. United States ( 1949 )


Backus v. Finkelstein ( 1924 )


Lucas v. Earl ( 1930 )


Helvering v. Fuller ( 1940 )


Magruder v. Supplee ( 1942 )


National Carbide Corp. v. Commissioner ( 1949 )