Classification : history : class E-F :  America.
Library of Congress.Subject Cataloging Division.
Gale Research Company.
Library of Congress.Classification Division.America: history and geography; preliminary and provisional scheme of classification.
Washington : U.S. Govt. Print. Off.,
1965.
With supplementary pages [additions and changes to January 1965]
Kept up to date by the Division's L.C. classification--additions and changes, and by 2 publications irregularly issued by Gale Research Company entitled: Library of Congress classification schedules--a cumulation of additions and changes, Class E-F; and Library of Congress classification schedules combined with additions and changes.
Classification
Classification, Library of Congress.