Encyclopedia of library and information science - New York: Marcel Dekker, Inc., 1977 - vi, 488p. Vol.22 (Pennsylvania, University of, to Plantin) ISBN: 0-8247-2022-9 Subjects--Topical Terms: Library science Subjects--Index Terms: Information resources Libraries servies Universal Decimal Class. No.: D 02+002(038) / K8.22:1