The MARC formats, specifically the MARC 21 Format for Bibliographic Data, should be used with the following standards and related documentation.

National and international standards:

ISO publications may be obtained from the International Organization for Standardization (ISO) ( and their agents; and ANSI/NISO Z39 publications may be obtained from the National Information Standards Organization (NISO) (

Format for Information Exchange (ISO 2709) and Bibliographic Information Interchange (ANSI/NISO Z39.2)

Code for the Representation of Names of Countries and their Subdivisions: Part 2, Country subdivision code (ISO 3166-2)

International Standard Book Numbering (ISBN) (ISO 2108)

International Standard Music Number (ISMN) (ISO 10957)

International Standard Recording Code (ISRC) (ISO 3901)

International Standard Serial Number (ISSN) (ISO 3297) (ANSI/NISO Z39.9)

Representations of Dates and Times (ISO 8601)

Serial Item and Contribution Identifier (SICI) (ANSI/NISO Z39.56)

International Standard Technical Report Number (ISRN) (ISO 10444) and Standard Technical Report Number and Description (ANSI/NISO Z39.23)

MARC Standards:

These publications are available from the Library of Congress, Cataloging Distribution Service, Washington, DC 20541, USA (Worldwide distribution) and Canadian Government Publishing - PWGSC, Ottawa, Ontario K1A 0S9, Canada (Canadian distribution).

MARC 21 Specifications for Record Structure, Character Sets, and Exchange Media

MARC Code List for Countries

MARC Code List for Geographic Areas

MARC Code List for Languages

MARC Code List for Organizations (earlier title:  Symbols of American Libraries)

MARC Code List for Relators

Source Codes for Vocabularies, Rules, and Schemes

Value Lists for Codes and Controlled Vocabularies

Symbols and Interlibrary Loan Policies in Canada  (

MARC 21 Concise Formats (all five formats in concise form) (

MARC 21 LITE Bibliographic Format  (

MARC 21 Format for Authority Data

MARC 21 Format for Bibliographic Data

MARC 21 Format for Classification Data

MARC 21 Format for Community Information

MARC 21 Format for Holdings Data

To return:

MARC 21 Formats:  Contents