# Josef Grygar
**Wikidata**: [Q95092150](https://www.wikidata.org/wiki/Q95092150)  
**Source**: https://4ort.xyz/entity/josef-grygar


## References

1. Czech National Authority Database
2. Encyclopedia of Brno History
3. Integrated Authority File
4. BillionGraves
5. Virtual International Authority File
6. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
7. Bibliography of the History of the Czech Lands