# Ryszard Gryz

> Polish historian

**Wikidata**: [Q18012048](https://www.wikidata.org/wiki/Q18012048)  
**Source**: https://4ort.xyz/entity/ryszard-gryz


## References

1. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb14472797g)
2. Polish Science
3. [Source](https://nauka-polska.pl/#/profile/research?id=86568)
4. general catalog of BnF
5. Virtual International Authority File
6. Czech National Authority Database
7. NUKAT
8. Bibliography of the History of the Czech Lands
9. MAK