Classification
Subtitle: Class H: Social sciences
Contributors: Martel, Charles, 1860-1945; Churchill, George Morton, 1874-; Perley, Clarence Warner, 1867-1946
Edition: 2d ed. Printed as manuscript.
Publisher: Govt. print. off.
Published: 1920
Place of publication: Washington
Language: eng
Number of pages: 597
Subjects: Classification -- Books -- Social sciences.
Notes: At head of title: Library of Congress.

First edition, 1910, by Charles Martel, chief classifier. The present edition has been prepared by Geo. M. Churchill, classifier, under supervision of Clarence W. Perley, chief of the Classification division.