
Cataloguing-aids
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LCSH Form-Genre Headings
Cataloging Distribution Service (CDS) - Library of Congress
We publish and distribute all of the Library of Congress cataloging records and cataloging-related publications, tools, and resources.Library Cataloguing Aids - Lynne's WEB
"Computerized search engines are no substitute for a well-cataloged library. Library catalogers -- perhaps the least thanked of a seldom thanked profession -- add value to already valuable information. Like indexers, they classify, categorize.By Jay Weitz, Senior Consulting Database Specialist, OCLC WorldCat Quality Management Division, Revised 2006 July 11. Introduction This document originally combined and superseded two older sets of OCLC guidelines for dealing with electronic resources: "Cataloging Electronic Resources: OCLC-MARC Coding Guidelines," by Rich Greene, first published in February 1998; and "OCLC Guidelines on the Choice of Type and BLvl for Electronic Resources," by Jay Weitz, first published in March 1998.

