Commissioner of Int. Rev. v. Southern Bell Tel. & Tel. Co. , 102 F.2d 397 ( 1939 )
Minnesota Tea Co. v. Helvering , 58 S. Ct. 393 ( 1938 )
Commissioner v. Court Holding Co. , 65 S. Ct. 707 ( 1945 )
Gregory v. Helvering , 55 S. Ct. 266 ( 1935 )
Commissioner v. Stern , 78 S. Ct. 1047 ( 1958 )