Robert F. Six and Ethel Merman Six, Plaintifffs-Appellants v. United States , 450 F.2d 66 ( 1971 )
Walter Ham v. United States , 408 F.2d 671 ( 1969 )
Welch v. Helvering , 54 S. Ct. 8 ( 1933 )
Commissioner v. Flowers , 66 S. Ct. 250 ( 1946 )
Peurifoy v. Commissioner , 79 S. Ct. 104 ( 1958 )