Dayton Power & Light Co. v. Public Utilities Commission , 54 S. Ct. 647 ( 1934 )
Commissioner v. Heininger , 64 S. Ct. 249 ( 1943 )
Lilly v. Commissioner , 72 S. Ct. 497 ( 1952 )
Clark v. Commissioner , 19 T.C. 48 ( 1952 )