United States v. Lionel O. Spencer , 448 F.2d 1093 ( 1971 )
United States v. Barrington Williams , 442 F.2d 738 ( 1970 )
United States v. Robert Weston , 466 F.2d 435 ( 1972 )
Taylor v. United States , 259 A.2d 835 ( 1969 )