Identifier Element Help

Definition

Unique standard number or code in the context of a formal identification system (OCLC, LCCN, ISBN, ISSN) that distinctively identifies a resource.

Form Element

The online form element appears as below:

This form element allows the user to enter the identifier and identifier type (ALEPH, OCLC, LCCN, ISBN, ISSN, etc).

SobekCM / MODS Encoding

The identifier information is encoded entirely in the MODS section of the SobekCM METS files.

<mods:identifier type="OCLC" displayLabel="Electronic OCLC">000123234</mods:identifier>

<mods:identifier type="uri">http://hdl.loc.gov/loc.law/llst.072</mods:identifier>

<mods:identifier type="DOI">182-asdsd-28k</mods:identifier>

Metadata Mapping

MARC to MODS Mapping

The identifier information maps from :

• 001 → ALEPH or OCLC
• 010 → LCCN
• 020 → ISBN
• 022 → ISSN
• 024 → identifier
• 035 → OCLC
• 440 |x → ISSN
• 490 |l → LCCN
• 490 |x → ISSN
• 776 10 |w → identifier

MODS to MARC Mapping

The identifier information from MODS maps to MARC:

• identifier (ALEPH or OCLC) → 024
• OCLC → 035
• LCCN → 010
• ISBN → 020
• ISSN → 022
• 035
• 440 |x → ISSN
• 490 |l → LCCN
• 490 |x → ISSN
• 776 10 |w

Sources

1. MODS User Guidelines Version 3, Detailed Description of MODS Elements
2. MARC 21 Format for Bibliographic Data