Classification. Class C. Auxiliary sciences of history / Subject Cataloging Division, Processing Department, Library of Congress. Library of Congress. Subject Cataloging Division. Library of Congress. Classification Division. Classification. Class C. Auxiliary sciences of history. Gale Research Company. Classification Books Auxiliary sciences of history. Classification, Library of Congress. Z696.U5C 1975 025.4 LIC First published in 1915 by the Classification Division. Kept up to date by the Division's L.C. classification--additions and changes, and by two publications irregularly issued by Gale Research Company entitled: Library of Congress classification schedules--a cumulation of additions and changes, Class C; and Library of Congress classification schedules combined with additions and changes. Includes index. Washington : The Library, 1975. 1975. 1975 Text vi, 126 p. ; eng