McClenon, W. H., Gilbert, W. C., Meyer, H. H. B., & Scott, G. W. (1933). 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 : revision of the Scott and Beaman Index analysis of the federal statutes. U.S. G.P.O..

McClenon, Walter H., Wilfred C. Gilbert, Herman H. B. Meyer, and George Winfield Scott. 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 : Revision of the Scott and Beaman Index Analysis of the Federal Statutes. Washington: U.S. G.P.O., 1933.

McClenon, Walter H., et al. 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 : Revision of the Scott and Beaman Index Analysis of the Federal Statutes. U.S. G.P.O., 1933.