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MARC 21 Records

Cataloging records for your integrated library system (ILS)

R2 Digital Library provides full MARC 21 bibliographic records for every title in your subscribed collection. Records include the complete set of fields required by RDA (Resource Description and Access) and are updated weekly to reflect additions and changes.

Record Fields Included

001Control Number
020ISBN
100Main Entry – Personal Name
245Title Statement
250Edition
260/264Publication
300Physical Description
520Summary
650Subject (LCSH)
655Genre/Form
776Additional Physical Form
856Electronic Location (URL)

Download Formats

MARC 21 Binary
.mrc

ISO 2709 binary format

MARCXML
.xml

XML schema for harvest

MARC Text
.mrk

Human-readable plain text

Automated Harvest

Configure your ILS to pull MARC records nightly via OAI-PMH or via our authenticated REST endpoint. Contact support to provision API credentials.

Request API Access