Library of Congress classification. L. Education

Library of Congress classification. KL-KWX. Law of Asia and Eurasia, Africa, Pacific Area, and Antarctica

Library of Congress classification. R. Medicine

Library of Congress classification. S. Agriculture

Library of Congress classification. E-F. History, America

Library of Congress classification. D-DR. History (general). History of Europe

Table of contents only

Library of Congress classification. T. Technology

Library of congress subject headings

Library of Congress classification. H Social sciences

Library of Congress classification. G. Geography, Maps, Anthropology, Recreation