# Kazimierz Bartoszyński

> Polish historian

**Wikidata**: [Q18940817](https://www.wikidata.org/wiki/Q18940817)  
**Source**: https://4ort.xyz/entity/kazimierz-bartoszy-ski


## References

1. Czech National Authority Database
2. [Source](http://www.ppibl.ibl.waw.pl/mediawiki/index.php?title=Regina_LUBAS-BARTOSZY%C5%83SKA)
3. BnF authorities
4. Catalog of the German National Library
5. general catalog of BnF
6. Virtual International Authority File
7. CiNii Research
8. Polish Science
9. [BnF authorities](http://data.bnf.fr/ark:/12148/cb12333299r)