# Josef Trakal
**Wikidata**: [Q15830274](https://www.wikidata.org/wiki/Q15830274)  
**Source**: https://4ort.xyz/entity/josef-trakal


## References

1. Czech National Authority Database
2. Regional Database of the Central Bohemian Research Library in Kladno
3. [Collection of Registry Books at Prague City Archives](http://katalog.ahmp.cz/pragapublica/permalink?xid=2B850E44806F4F6697CAE84A75F77997&scan=283#scan283)
4. BillionGraves
5. Virtual International Authority File
6. [The Fine Art Archive](https://cs.isabart.org/person/45640)
7. IdRef
8. Bibliography of the History of the Czech Lands
9. Provenio