Library of Congress classification. T. Technology - Library of Congress; Library of Congress. Cataloging Policy and Support Office; Library of Congress. Subject Cataloging Division (Washington, D.C. Library of Congress, Cataloging Distribution Service, 1995)
Rev. ed. of: Classification. Class T. Technology / Subject Cataloging Division, Processing Department. 5th ed. 1971.
Includes index.
Keywords: Classification -- Books -- Technology; Classification, Library of Congress