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Standard Identifier Source Codes

Introduction
Standard Identifier Source Codes
Standard Identifier Source Code Usage in MARC and MODS/MADS

Introduction

Standard Identifier Sources lists standard number or code systems and assigns a code to each database or publication that defines or contains the identifiers. The purpose of these source codes is to enable the type of standard numbers or codes in metadata records to be indicated by a code.  For code assignment, general structure, usage, and maintenance guidelines see Source Codes for Vocabularies, Rules, and Schemes.

Arrangement of the List

Entries in the list are arranged in alphabetical order by the code and consist of the source code followed by the bibliographic citation for the source documentation. The citations are linked to the online source for some codes.

Code Structure

Each code consists of a maximum of 25 characters, including lowercase alphabetic characters, numeric characters 0 through 9, and the hyphen (-).  Possible additions to codes are described in Source Codes.

Standard Identifier Source Codes

ansi
American National Standards Institute and National Information Standards Organisation number for an ANSI or ANSI/NISO standard
danacode
Danacode (Bnei Brak, Israel: D.A.N.A. Systems)
doi
Digital Object Identifier
ean
International Article Number
gtin-14
Global Trade Identification Number 14 (EAN/UCC-128 or ITF-14) External Link
hdl
Handle
isan
International Standard Audiovisual Number
isbn
International Standard Book Number
isbn-a
International Standard Book Number (the actionable ISBN) External Link
ismn
International Standard Music Number
isni
International Standard Name Identifier External Link
iso
International Organization for Standardization number for an ISO standard
isrc
International Standard Recording Code
issn
International Standard Serial Number
issn-l
Linking International Standard Serial Number
issue-number
Sound recording issue number
istc
International Standard Text Code
iswc
International Standard Musical Work Code
itar
ITAR (Importtjeneste og autoritetsregistre) External Link
lccn
Library of Congress Control Number
local
Locally defined identifier
matrix-number
Sound recording matrix number
music-plate
Publisher's music plate number
music-publisher
Publisher-assigned music number
natgazfid
U.S. National Gazetteer Feature Name Identifier
nipo
Número de Identificación de las Publicaciones Oficiales
orcid
Open Researcher and Contributor IDentifier External Link
rid
ResearcherID External Link (Thomson Reuters)
sici
Serial Item and Contribution Identifier
stock-number
Publisher, distributor, or vendor stock number
strn
Standard Technical Report Number
upc
Universal Product Code
uri
Uniform Resource Identifier
urn
Uniform Resource Name
viaf
Virtual International Authority File number External Link
videorecording-identifier
Publisher-assigned videorecording number

Standard Identifier Source Code Usage in MARC and MODS/MADS

MARC 21 Formats and Fields

  • Bibliographic records
    • 024 $2 (Other Standard Identifier / Source of Number or Code)
  • Authority records
    • 024 $2 (Other Standard Identifier / Source of Number or Code)
  • Holdings records
    • 024 $2 (Other Standard Identifier / Source of Number or Code)

MODS/MADS Elements

  • mods: identifier @type

  • mads:identifier @type

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