# Jan Szymczak

> Polish historian

**Wikidata**: [Q11719224](https://www.wikidata.org/wiki/Q11719224)  
**Source**: https://4ort.xyz/entity/jan-szymczak


## References

1. IdRef
2. Virtual International Authority File
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. Polish Science
5. Library of Congress Authorities