# Ondřej Harlas
**Wikidata**: [Q95453843](https://www.wikidata.org/wiki/Q95453843)  
**Source**: https://4ort.xyz/entity/ond-ej-harlas


## References

1. Czech National Authority Database
2. [The Fine Art Archive](https://cs.isabart.org/person/52769)
3. [Collection of Registry Books at Prague City Archives](http://katalog.ahmp.cz/pragapublica/permalink?xid=D2092B24F8614750B81E87173DE78806&scan=6#scan6)
4. [online catalogue of Huis van het boek. 1925](https://mmm-web.adlibhosting.com/AIS6/Details/collect/7546802)
5. Virtual International Authority File
6. The Fine Art Archive