1. Catalogue of exhibition of maps in National Academy of Sciences Building, comprising some 400 maps and other materials related to programs of sec. 3, Geological sciences, and sec. 8, History and geography, arranged by Lawrence Martin, upon occasion of 8th American Scientific Congress, Washington, D. C., May 10-18, 1940. Bookmark Corporate/Agency Authors: Maps Division and Library of Congress Publisher: Maps Division Date: 1940 SuDoc number: LC 5.2:Am 3/2