# Marcin Czyżniewski

> Polish historian

**Wikidata**: [Q11767540](https://www.wikidata.org/wiki/Q11767540)  
**Source**: https://4ort.xyz/entity/marcin-czy-niewski


## References

1. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb155899481)
2. [Source](https://usosweb.umk.pl/kontroler.php?_action=katalog2/osoby/pokazOsobe&os_id=72017)
3. [Source](https://nauka-polska.pl/#/profile/research?id=98622)
4. general catalog of BnF
5. Virtual International Authority File
6. Polish Science