Thomas v. Orvis and Bobye G. Orvis v. Commissioner of Internal Revenue ( 1986 )
Indopco, Inc. v. Commissioner ( 1992 )
Welch v. Helvering ( 1933 )
Commissioner v. Heininger ( 1943 )
Primuth v. Commissioner ( 1970 )
Cremona v. Commissioner ( 1972 )