---
id: "ru_nlr_id"
kind: "datatype"
status: "draft"
is_pii: false
categories: ["publishing"]
country: ["RU"]
langs: ["ru"]
quality: 90
url: "https://registry.apicrafter.io/datatype/ru_nlr_id"
---

# National Library of Russia authority ID (`ru_nlr_id`)

> **Draft.** Draft records have not been reviewed yet and may be incomplete or wrong; do not treat them as authoritative for legal or compliance decisions.

Number of an authority record (person, organisation) in the authority file of the National Library of Russia in Saint Petersburg; the library's authority service names the record RU\NLR\AUTH\<number>. It has four to nine digits and does not start with zero. The regexp is the Wikidata format of property P7029.

- Personal data (PII): no
- Categories: Publishing and print (publishing)
- Countries: Russian Federation (RU)
- Languages: Russian (ru)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^[1-9]\d{3,8}$
```

## Examples

- `771614` — Alexander Pushkin
- `770174510` — Abu Mansur al-Baghdadi
- `0771614` (invalid example) — Leading zero

## Mappings

- wikidata: `P7029`

## Translations

- ru: Идентификатор авторитетной записи РНБ: Номер авторитетной записи (персона, организация) Российской национальной библиотеки.

## Sources

- doc: <https://nlr.ru/>
- wikidata: <https://www.wikidata.org/wiki/Property:P7029>

## Quality

Score 90/100. Missing: detector coverage.

JSON: <https://registry.apicrafter.io/api/v1/datatypes/ru_nlr_id.json> · Edit: <https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/RU/publishing/ru_nlr_id.yaml>