First ed. published in 1916 by the Classification Division of the Library of Congress, under title: Classification. Class D: Universal and Old World history. "Additions and changes to July 1965": 55 p. at end. Kept up to date by the Division's L.C. classification--additions and changes, and by 2 publications irregularly issued by Gale Research Company entitled: Library of Congress classification schedules--a cumulation of additions and changes, Class D; and Library of Congress classification schedules combined with additions and changes.