# Julius Petřivalský
**Wikidata**: [Q28600010](https://www.wikidata.org/wiki/Q28600010)  
**Source**: https://4ort.xyz/entity/julius-pet-ivalsk-


## References

1. Czech National Authority Database
2. Integrated Authority File
3. Students of the Universities of Prague 1882–1945
4. [Olomouc City Library regional database](https://tritius.kmol.cz/authority/862362)
5. BillionGraves
6. The Fine Art Archive
7. Bibliography of the History of the Czech Lands