# Oswald Wondrak
**Wikidata**: [Q94371975](https://www.wikidata.org/wiki/Q94371975)  
**Source**: https://4ort.xyz/entity/oswald-wondrak


## References

1. Virtual International Authority File
2. Catalog of the German National Library
3. Faceted Application of Subject Terminology
4. Bibliography of the History of the Czech Lands