# Jerzy Czajkowski

> Polish historian

**Wikidata**: [Q11724491](https://www.wikidata.org/wiki/Q11724491)  
**Source**: https://4ort.xyz/entity/jerzy-czajkowski


## References

1. Czech National Authority Database
2. BnF authorities
3. general catalog of BnF
4. Virtual International Authority File
5. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
6. MAK
7. National Library of Israel Names and Subjects Authority File