# Ignác Hajn
**Wikidata**: [Q95164908](https://www.wikidata.org/wiki/Q95164908)  
**Source**: https://4ort.xyz/entity/ign-c-hajn


## References

1. Czech National Authority Database
2. [Students of the Universities of Prague 1882–1945](http://is.cuni.cz/webapps/archiv/public/person/se/1697541583274334)
3. Regional Database of the Central Bohemian Research Library in Kladno
4. [regional database of the  Research Library in Hradec Králové](https://www.svkhk.cz/tools/vyroci.asp?zobr=fulllist)
5. [Collection of Registry Books at Prague City Archives](http://katalog.ahmp.cz/pragapublica/permalink?xid=4e599f8e69b944189da13a3cf31cd848&scan=30#scan30)
6. Virtual International Authority File
7. Students of the Universities of Prague 1882–1945