Library of Congress >> MARC >> Bibliographic >> 841-88X  >> 884

884 - Description Conversion Information (R)

MARC 21 Bibliographic - concise
December 2025

Used to provide information about the origin of a MARC record which has been converted by machine from another metadata structure.

Indicators

First - Undefined
# - Undefined
Second - Undefined
# - Undefined

Subfield Codes

$a - Conversion process (NR)
$g - Conversion date/time (NR)
$k - Identifier of source metadata (NR)
$q - Conversion agency (NR)
Code from: MARC Code List for Organizations.
$u - Uniform Resource Identifier (R)

Examples

884 ##$aBibframe to MARC transformation version 1.011$g2014-09-10$khttp://id.example.com/resources/bibs/5226.rdf$qDLC$uhttps://github.example.com/ld4l/bibframe2marcproject/tree/a9f03c8f86ffa1c8e2f41cbbec2d396a655a956d/
884 ##$aStanford Bibframe to MARC transformation, version 1$g2014-10-02$kstfbf1039806$qCSt$uhttp://stanford.example.com/Bibframe2MARC_v1.xsl
884 ##$aDLC bibframe2marc v2.9.0$g2025-08-15T18:44:34$qDLC$uhttps://github.com/lcnetdev/bibframe2marc/releases/tag/v2.9.0
884 ##$aDLC bibframe2marc v2.10-dev (libxslt)$g2025-06-24T10:30:15$qDLC$uhttps://github.com/lcnetdev/bibframe2marc/releases/tag/v2.10.0
884 ##$aMODS 3.4 to MARC LC standard transformation$g2014-09-10$k//lcweb2.loc.gov/diglib/ihas/loc.natlib.ihas.200033292/mods.xml$qDLC$u//www.loc.gov/standards/mods/v3/MODS3-4_MARC21slim_XSLT1-0.xsl
884 ##$aCustom MODS to MARC transformation for project A$g2014-12-08$kdruid:ab123cd4567$qCSt$uhttp://stanford.example.com/project/a/MODS2MARC_v3.xsl
Library of Congress >> MARC >> Bibliographic >> 841-88X  >> 884
(12/17/2025)
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