Նորմալ դիտում MARC դիտում ISBD Դիտում

United States. Library of Congress. Subject cataloging division. Classification, class H, subclasses H-HJ, social sciences, economics. - 4th ed. - Washington, D.C. : Library of Congress, 1981. - xiii, 400 p.

Includes index.

ISBN: 0844403539

Subjects--Topical Terms:
Classification--Books--Social sciences.
Classification, Library of Congress.