Burnet v. Clark ( 1932 )
Deputy, Administratrix v. Du Pont ( 1940 )
Old Colony Railroad v. Commissioner ( 1932 )
Helvering v. San Joaquin Fruit & Investment Co. ( 1936 )
Welch v. Helvering ( 1933 )
Lewyt Corp. v. Commissioner ( 1955 )
Helvering v. William Flaccus Oak Leather Co. ( 1941 )