Kopac:kunitachi College of Music Library Online Public Access Catalog

Abstract

Authority control is recognized one of the essential and most important function to maintain library catalog data bases and also usefull for OPAC although Japanese library community have neglected. Kunitachi College of Music Library has been producing and maintaining authority files with respect to quality control of music catalog. A number of authority files of Kunitachi College of Music Library, being stored in cooperation with private library supply house, is almost 80,000. These are small, comparing with USMARC authority files which has being organized as a nation wide project, producing by the Library of Congress in cooperation with many libraries in the States, joining to the NACO project. But this is adaptable to biscript bibliographic records of music and any other materials and also well functioning in OPAC system of the Kunitachi College of Music Library.