Philadelphia Park Amusement Co. v. United States ( 1954 )
Estate of Leyman v. COMMISSIONER OF INTERNAL REVENUE ( 1966 )
commissioner-of-internal-revenue-v-estate-of-harry-stoll-leyman-deceased ( 1965 )
Marie H. Hamm v. Commissioner of Internal Revenue, William Hamm, Jr. v. Commissioner of Internal Revenue ( 1963 )