Cohan v. Commissioner of Internal Revenue ( 1930 )
William W. Steinhort and Mildred Steinhort v. Commissioner of Internal Revenue ( 1964 )
William L. Heuer, Jr. And Lucille M. Heuer v. Commissioner of Internal Revenue ( 1960 )
raymond-a-sanders-and-vadna-m-sanders-raymond-degn-kevin-o-blackwell ( 1971 )