Library of Congress classification schedules :
a cumulation of additions and changes ... : Class H : Social sciences.

APA Citation

Savage, H., Library of Congress. Subject Cataloging Division., Gale Research Company. (1973). Library of Congress classification schedules: a cumulation of additions and changes ... : Class H : Social sciences. Detroit, Mich.: Gale Research Co..

MLA Citation

Savage, Helen, 1915-, Library of Congress. Subject Cataloging Division, and Gale Research Company. Library of Congress Classification Schedules: a Cumulation of Additions And Changes ... : Class H : Social Sciences. Detroit, Mich.: Gale Research Co., 1973.