# Stefan Demby

> Director general of National library of Poland

**Wikidata**: [Q9344951](https://www.wikidata.org/wiki/Q9344951)  
**Source**: https://4ort.xyz/entity/stefan-demby


## References

1. BnF authorities
2. general catalog of BnF
3. Virtual International Authority File
4. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
5. Faceted Application of Subject Terminology
6. Sejm-Wielki.pl
7. National Library of Israel Names and Subjects Authority File
8. Bibliography of the History of the Czech Lands