741. Copyright. [Catalogue of copyright entries, new series, pt. 1, group 2, Pamphlets, leaflets, contributions to newspapers or periodicals, etc., lectures, sermons, addresses for oral delivery, maps, v. 26, no. 1. Bookmark Corporate/Agency Authors: Copyright Office and Library of Congress Publisher: Copyright Office Date: 1920 SuDoc number: LC 3.6/1:26/2-1