Hans P. Kraus and Hanni Z. Kraus v. Commissioner of Internal Revenue ( 1974 )
Welch v. Helvering ( 1933 )
Wichita Term. El. Co. v. Commissioner of Int. R. ( 1947 )
John W. Amos v. Commissioner of Internal Revenue ( 1965 )
Cohen v. Commissioner of Internal Revenue ( 1949 )
charles-m-bernuth-and-shirley-p-bernuth-v-commissioner-of-internal ( 1972 )