Esperson v. Commissioner of Internal Revenue , 49 F.2d 259 ( 1931 )
Saenger v. Commissioner of Internal Revenue , 69 F.2d 631 ( 1934 )
Minnesota Tea Co. v. Helvering , 58 S. Ct. 393 ( 1938 )
Atkins v. Commissioner of Internal Revenue , 76 F.2d 387 ( 1935 )
Gregory v. Helvering , 55 S. Ct. 266 ( 1935 )