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Classification. Class Q, science / Subject Cataloging Division, Processing Services, Library of Congress

"The additions and changes in Class Q, adopted while this work was in press will be cumulated and printed in List 234 of LC classification-- additions and changes"--Verso t.p. "Incorporate changes ...
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Library of Congress classification. B-BJ. Philosophy, psychology / prepared by the Cataloging Policy and Support Office, Library Services

Rev. ed. of: Classification. Class B. Subclasses B-BJ. Philosophy, psychology / Office for Subject Cataloging Policy, Collections Services, Library of Congress. 4th ...