Classification. Class H: Social sciences.
- Washington [For sale by the Superintendent of Documents, U.S. Govt. Print. Off.] 1965.
- xxxiv, 614, 173 p. 26 cm.
First ed. published in 1910 by the Classification Division of the Library of Congress. "Additions and changes to January 1964": 173 p. at end. Kept up to date by the Division's L.C. classification--additions and changes, and by an irregular cumulative publication issued by Gale Research Company, entitled Library of Congress classification schedules: a cumulation of additions and changes, Class H.