Jack E. Golsen and Sylvia H. Golsen v. Commissioner of Internal Revenue ( 1971 )
Welch v. Helvering ( 1933 )
Howard J. Sochurek v. Commissioner of Internal Revenue ( 1962 )
Harry Gordon and Geraldine Gordon, Petitioners-Appellants-Cross-Appellees v. Commissioner of Internal Revenue, Respondent-Appellee-Cross-Appellant ( 1977 )