Library of Congress Control Number (LCCN)

ID lccn

DatatypeNot PIIidentifierDraft

This record is a draft: it has not been reviewed yet and may be incomplete or wrong. Do not rely on it for compliance decisions. Help improve it (see CONTRIBUTING.md).

Serial number of a catalog record of the US Library of Congress, used since 1898. It is made of a year and a six-digit serial number with leading zeros. The year has two digits for 1898 to 2000 and four digits from 2001. A hyphen between year and serial number is optional. Some numbers start with a short alphabetic prefix such as n, sh or sn. The LCCN is not related to the Library of Congress Classification.

Categories: Objects identifiers
Countries: Global (not tied to a country)
Languages: Common to most languages
Bioregistry: lccn
Wikidata: P1144
Quality: 85/100 · missing: translation, detector coverage
Metacrafter rules: no detection rule yet
Supported by tools: no tool record lists this type yet

Regular expression

^[a-z]{0,3}(?:\d{2}|\d{4})-?\d{6}$

Python re syntax.

Examples

Value	Description
11025047	1911 edition of Treasure Island
sn00063530	Serial: Malheur Enterprise (newspaper)
n81092084	Name authority: Royal Society for the Prevention of Cruelty to Animals
sh85037527	Subject heading: dialect
n7902293 invalid	The serial number must have six digits

Child datatypes

ID	Name	Categories	Countries	Description
lcnaf_id	Library of Congress authority ID (LCCN of an authority record) draft	publishing, objectids	US	Identifier of a name, subject or genre authority record of the Library of Congress: a prefix such as n, nb, nr, no or sh, then the year...

Sources

wikipedia: https://en.wikipedia.org/wiki/Library_of_Congress_Control_Number
wikidata: https://www.wikidata.org/wiki/Property:P1144
wikidata: https://www.wikidata.org/wiki/Property:P244

Use this record

Page URL: http://registry.apicrafter.io/datatype/lccn
JSON: API v1 · legacy shape (used by metacrafter) · Markdown (for LLMs)
Improve it: edit data/datatypes/any/objectids/lccn.yaml on GitHub