RDA: Resource Description and Access is the cataloging standard followed by GPO, Library of Congress, and the Program for Cooperative Cataloging, first implemented in 2013. It is a subscription resource published by the American Library Association via the RDA Toolkit..
beta RDA Toolkit
Library of Congress (LC) Acquisitions and Bibliographic Access Directorate provides access to many standards for bibliographic description, subject analysis and classification and links to its catalog and authority file.
Library of Congress, Program for Cooperative Cataloging Policy Statements (LC-PCC PS) are provided free online.
Catalogers Desktop is a subscription resource for global cataloging tools, standards, guides, and searchable discussion boards.
Web Dewey is a subscription resource for the Dewey Decimal Classification (DDC) System. Links to free online resources hosted by OCLC Dewey Services, which works in collaboration with the Library of Congress on updates and maintenance of the classification.
The GPO Cataloging Guidelines published by the U.S. Government Publishing Office (GPO) is regularly updated. This page provides a List of all the cataloging standards GPO follows when creating metadata.
GPO is a participant of the Program for Cooperative Programming (PCC) and creates cataloging records and metadata at the highest U.S. national standards.
Resource Description and Access (RDA) and the Implications of RDA for Federal Depository Libraries links to reports and historical background on RDA implementation by national libraries.
Program for Cooperative Cataloging (PCC) PCC is a cooperative cataloging venture wherein members contribute bibliographic records and related data under a common set of standards and conventions using the bibliographic utilities. PCC members like the Government Publishing Office (GPO) contribute high quality records and subject proposals conforming to approved standards. The four PCC programs are:
OCLC Bibliographic Formats and Standards is a MARC 21 guide for catalogers or users of MARC 21 bibliographic records in OCLC Connexion.It provides many examples of MARC fields and subfields, explanation, and inputting standards for OCLC member libraries. Use this standard with MARC 21 standards.
Directory of OCLC Libraries - find an OCLC participating library or its symbol. Also search for part of a name, city, etc. and sort results or limit them to only OCLC members. Some federal agency symbols:
Librarian's Toolbox, OCLC
OCLC WorldCat is a suite of services and databases, also called a bibliographic utility. The catalog interface is called OCLC Connexion. OCLC is a tool used by GPO and most libraries.
OCLC Connexion Documentation provides support, help, and training documents. Find out how specific indexes are configured to improve searching in WorldCat!
Understanding MARC -- these brief descriptions and tutorials are appropriate for non-catalogers.
MARC Standards are published by the Library of Congress Network Development and MARC Standards Office. Includes standards for MARC concise format records for bibliographic, authority, holdings, classification, and community information, with a link to translations. The following guide provides an overview: Understanding MARC Bibliographic: Machine-Readable Cataloging.
MARC Code Lists
MARC specifications, documentation and development tools are also available.
International Standard Bibliographic Description (ISBD) is maintained with updates by the IFLA Universal Bibliographic Control and International MARC Programme. Designed to be compliant with the Functional Requirements for Bibliographic Records (FRBR), the ISBD consolidated edition merges the texts of the seven specialized ISBDs (for books, maps, serials, sound recordings, computer files and other electronic resources, etc.) into one.
ANSI/NISO Standards are American National Standards developed by the National Information Standards Organization.