MARC 21 Format for Authority Data

Library of Congress, Network Development and MARC Standards Office. (1999). MARC 21 Format for Authority Data. Library of Congress.

Type

Standard

Intellectual base

Reference work

Year

1999

Edition

1999 ed.

Link

https://www.loc.gov/marc/authority/

Cited by

3 citations across 3 artifacts.

Each citation links to the sentence it supports in the citing article.

Domain-specific

• Authority Record
  • Compliance is specified by descriptive standards — RDA (Resource Description and Access), ISAAR(CPF) for archival authority records — and records exchange via MARC authority format or BIBFRAME

    This sourceThe Library of Congress's MARC 21 Format for Authority Data, the standard machine-readable encoding for authority records.

    Supported in partVerified against a saved copy of the source

    “This online publication provides access to both the full and concise versions of the MARC 21 Format for Authority Data.”

    Read by an automated reader; not a human review. How support was checked

• Authorized access point
  • The variant "Clemens, Samuel Langhorne, 1835-1910" is recorded as a "see from" (4XX) non-preferred form

    This sourceRecords that in the MARC 21 authority format variants are entered as 4XX 'see from' tracings (400 = personal-name tracing).

    Supported in partVerified against a saved copy of the source

    “4XX: See from tracings”

    Read by an automated reader; not a human review. How support was checked

Mechanisms

• Alias Resolution Table
  • The library keeps an authority file

    This sourceStructures authority data around authorized headings and unestablished name variants, with see references leading from variants to the authorized form.

Verification

Does it exist? Not checked yet. This entry carries no identifier to resolve. It was extracted from the citation as written in the article, normalized, and deduplicated against the rest of the registry.

Does it back the claim? Read against the text for 2 of 3 citations: 2 supported in part. Each verdict is shown under its citation below, with what in the work backs the sentence.

Support is checked per citation rather than per work — the same source can be cited soundly in one article and wrongly in another. Per-citation recording began recently, so a citation with no recorded check is a gap in the record rather than evidence it went unchecked.

See how references were verified.

Registry ID ref:2b46aac281bd · see in the full table