Pinellas Ice & Cold Storage Co. v. Commissioner , 53 S. Ct. 257 ( 1933 )
Helvering v. Minnesota Tea Co. , 56 S. Ct. 269 ( 1935 )
Cortland Specialty Co. v. Commissioner of Internal Rev. , 60 F.2d 937 ( 1932 )
C. H. Mead Coal Co. v. Commissioner of Internal Revenue , 72 F.2d 22 ( 1934 )