United States v. Skelly Oil Co. , 89 S. Ct. 1379 ( 1969 )
Charles Ilfeld Co. v. Hernandez , 54 S. Ct. 596 ( 1934 )
Lewyt Corp. v. Commissioner , 75 S. Ct. 736 ( 1955 )
United States v. Ron Pair Enterprises, Inc. , 109 S. Ct. 1026 ( 1989 )