This opinion cites 12 cases:

Helvering v. O'DONNELL ( 1938 )


Parsons v. Smith ( 1959 )


Thomas v. Perkins ( 1937 )


Helvering v. Bankline Oil Co. ( 1938 )


Ragan v. Merchants Transfer & Warehouse Co. ( 1949 )


Commissioner v. Southwest Exploration Co. ( 1956 )


United States v. Cannelton Sewer Pipe Co. ( 1960 )


Palmer v. Bender ( 1932 )


Kirby Petroleum Co. v. Commissioner ( 1946 )


Burton-Sutton Oil Co. v. Commissioner ( 1946 )


County of Allegheny v. Frank Mashuda Co. ( 1959 )


United States v. Boston & Maine Railroad ( 1965 )