Wood v. United States ( 1968 )
Whipple v. Commissioner ( 1963 )
George H. And Sarah Newi v. Commissioner of Internal Revenue ( 1970 )
Walter Gilliam and Virginia A. Gilliam v. Commissioner of Internal Revenue ( 1970 )
Welch v. Helvering ( 1933 )
Commissioner v. Tellier ( 1966 )