Laws relating to shipping and merchant marine /
compiled by Elmer A. Lewis, superintendent, Document room, House of Representatives.
United States., Lewis, E. A. (Elmer Adolph). (1938). Laws relating to shipping and merchant marine. Washington: U.S. Govt. Print. Off..
United States, and Elmer A. (Elmer Adolph) Lewis. Laws Relating to Shipping And Merchant Marine. Washington: U.S. Govt. Print. Off., 1938.
Warning: These citations may not always be complete (especially for serials).