| Notes: | Cover title: Auxiliary sciences of history.
Rev. ed. of: Classification Class C, Auxiliary sciences of history / Subject Cataloging Division, Processing Department, Library of Congress. 1975.
Kept up to date by the Office's L.C. classification--Additions and changes, and by two publications irregularly issued by Gale Research Inc. 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.
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