# Valentin de Ratibor
**Wikidata**: [Q443419](https://www.wikidata.org/wiki/Q443419)  
**Source**: https://4ort.xyz/entity/valentin-de-ratibor


## References

1. Catalog of the German National Library
2. [Bibliography of the History of the Czech Lands](https://biblio.hiu.cas.cz/records/d27489fa-cb7a-4910-aefd-47ecd13afee6)