Cataloging documentation, practices, and programs
How to use the browser-based interface for Connexion cataloging.
How to use CatExpress for copy cataloging. CatExpress is in the Connexion browser interface.
How to use Z39.50 for cataloging.
How to use WebDewey for Dewey classification. WebDewey is in the Connexion browser interface.
Tagging conventions, input standards and guidelines for WorldCat records.
Cataloging guidelines for participants in OCLC's Expert Community.
Procedures for entering diacritics and special characters in Latin-script-based records.
Find information about Resource Description and Access (RDA).
Cataloging electronic and internet resources
Guidelines for creating MARC records for electronic resources.
Dewey Decimal Classification (DDC)
Find DDC resources.
Find DDC updates.
Includes both Regular and National Level Enhance participants.
Requirements and application instructions for Regular Enhance.
Summary of the process used to evaluate records submitted with an Enhance application.
Overview of the Enhance process and related mechanics, workflow, requirements, policies, practices, control and communication.
Guidelines focused on areas where National Level Enhance has capabilities different from, or responsibilities beyond those of, Regular Enhance.
See the OCLC Cataloging Authorization Levels quick reference.
Description, guidelines, and examples of indexes for searching WorldCat, including fields and subfields indexed. Indexes are supported for all OCLC WorldCat search interfaces (except Z39.50), including Connexion, CatExpress, FirstSearch, and FirstSearch Resource Sharing.
Provides summary instructions, formats, techniques, guidelines, examples, and indexes for searching WorldCat for cataloging purposes, using the Connexion client or browser interface.
WorldCat Rights and Responsibilities for the OCLC Cooperative outlines the rights and responsibilities associated with the stewardship of the WorldCat bibliographic and holdings database by and for the OCLC cooperative.
Record structure, character sets, and exchange media formatting for OCLC-MARC records on magnetic tape, via electronic file transfer or via export.
List of MARC 21 bibliographic data elements that OCLC has not implemented along with possible OCLC action to implement them.
Provides details on the format of OCLC authority records. Describes indexes and indexed fields/subfields. Also covers procedures for submitting authority record change requests. (Supersedes the Authorities User Guide.)
Find information about closed dates in authority records.
Provides details on adding new name authority records, replacing master name authority records and submitting records for national review.
Provides details on creating name authority records from workforms or existing records and generating records from name headings.
Provides details on supporting the ability to associate headings in bibliographic records with authority records.
Provides details on editing authority records, inserting diacritics, and displaying and printing records.
Provides details on setting export options and exporting authority records, multiple records, and flagged records, and importing MARC records.
Provides details on searching and browsing the Authority File, viewing and using search results, and using the flagged authority records screen.
Provides summary instructions, formats, techniques, guidelines, examples, and indexes for searching OCLC authority records using the Connexion client or browser interface. (New in January 2009)
Provides details on selecting, creating, editing, finding and using authority constant data.
Provides details on using, searching and viewing the Authority Save file.
Describes indexes and indexed fields/subfields for all the authority files that are available using Record Manager (LC, MeSH, NTA Names).
You can use the Local Holdings Maintenance service to maintain accurate, current holdings information and to create Local Holdings Records (LHRs) that enable you to share detailed holdings information with library staff, users, and other libraries.
General information on Z39.71 Holdings Format and MARC 21 Format for Holdings Data (MFHD); OCLC LDR format and SERHOLD format are also briefly discussed.
Concise procedures for maintaining local holdings information via Connexion browser.
Explains how to search for local holdings records in WorldCat and use search results.
Procedures for creating, editing, and deleting local holdings records; provides procedures and information for local holdings agents.
Explains how to create, customize, and apply local holdings constant data records.
Brief, general information on each tag and subfield.
Detailed reference on the format for OCLC local holdings records. Defines fields, subfields, and indicators. Provides guidelines for creating and editing record content.
Local Bibliographic Data
Description of local bibliographic data (LBD), the fields that use LBDs, and the search labels you can use to search LBDs.
Find information about how OCLC delivers quality and learn about the Virtual International Authority File (VIAF). Find a link to the form: WorldCat and Authority Record Quality Control Request.