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. T. Technology

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 subject headings

Library of Congress classification. H Social sciences

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