Index to the federal statutes, 1874-1931 ; general and permanent law contained in the Revised statutes of 1874 and volumes 18-46 of the Statutes at large. - Scott, George Winfield, 1875-; Beaman, Middleton G. (Middleton Goldsmith); McClenon, Walter H. (Walter Holbrook), 1887-; Gilbert, Wilfred C. (Wilfred Charles), 1894-1986-; Meyer, Herman H. B. (Herman Henry Bernard), 1864-1937 (U.S. Govt. Print. off., 1933)