Library of Congress classification. D-DR. History (general). History of Europe - United States. Library of Congress; Library of Congress. Cataloging Policy and Support Office (Washington, D.C. Library of Congress, Cataloging Distribution Service, 2007)
Rev. ed. of: Library of Congress classification. D-DR. History (general) and history of Europe. 2001 ed.
Keywords: Classification -- Books -- History; Classification -- Books -- Europe; Classification, Library of Congress