Raymond A. O'COnnOr and Bertha K. O'COnnOr v. Commissioner of Internal Revenue, Burt Cold Storage, Inc. v. Commissioner of Internal Revenue ( 1969 )
Welch v. Helvering ( 1933 )
Irving S. Federbush and Sylvia C. Federbush v. Commissioner of Internal Revenue, Sylvia C. Federbush v. Commissioner of Internal Revenue ( 1963 )