Data as of Oct 13, 2026Based on 3,766 AI responses
Reviewed by Dimitry Apollonsky
ID.LOC.GOV is the Library of Congress Linked Data Service that provides both interactive and machine-access to bibliographic vocabularies, ontologies, and authority lists used for cataloging and metadata description. It hosts and exposes a wide range of vocabularies and schemas (such as BIBFRAME, LC Subject Headings, LC Classification, LCGFT, LCMPT, LCNAF, and language and genre terms) and offers search, download, and API documentation for integration into library systems. This service supports standardized metadata workflows by enabling programmatic access to the data used in cataloging and bibliographic description.
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