# National Bibliography Number

> publication identifier systems used by national libraries

**Wikidata**: [Q3873059](https://www.wikidata.org/wiki/Q3873059)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/National_Bibliography_Number)  
**Source**: https://4ort.xyz/entity/national-bibliography-number


## References

1. [Source](https://www.clarin.eu/glossary)
2. Wikibase TDKIV