# Ryszard Grygiel

> born:1951|; Grygiel, Ryszard

**Wikidata**: [Q59610827](https://www.wikidata.org/wiki/Q59610827)  
**Source**: https://4ort.xyz/entity/ryszard-grygiel


## References

1. Virtual International Authority File
2. Catalog of the German National Library
3. Czech National Authority Database
4. Bibliography of the History of the Czech Lands
5. MAK
6. IdRef