# Rudolf Hac
**Wikidata**: [Q29017184](https://www.wikidata.org/wiki/Q29017184)  
**Source**: https://4ort.xyz/entity/rudolf-hac


## References

1. Czech National Authority Database
2. [The Fine Art Archive](https://cs.isabart.org/person/125131)
3. Biographical Dictionary of the History of the Czech Lands
4. [Collection of Registry Books at Prague City Archives](https://katalog.ahmp.cz/pragapublica/permalink?xid=eb2676eb90624681a9193583f7daae7f&scan=126#scan126)
5. Catalog of the German National Library
6. The Fine Art Archive
7. Virtual International Authority File