Classification. Class J : Political science / Library of Congress. Library of Congress. Subject Cataloging Division. Library of Congress. Classification Division. Classification. Class J: Political science. Classification Books Political science. 032 AMA First ed. published in 1910 by the Classification Division. "Additions and changes to July 1955": 123 p. at end. Washington : Library of Congress, 1956. 1956. 1956 Text 434, 123 p. ; eng