# Augustin Helfert
**Wikidata**: [Q95450852](https://www.wikidata.org/wiki/Q95450852)  
**Source**: https://4ort.xyz/entity/augustin-helfert


## References

1. Czech National Authority Database
2. [regional database of the  Research Library in Hradec Králové](https://www.svkhk.cz/tools/vyroci.asp?zobr=fulllist)
3. [regional database of the Municipal Library of Hradec Kralove](https://kmhk.tritius.cz/authority/2105262)
4. Integrated Authority File
5. Virtual International Authority File
6. BnF authorities
7. Bibliography of the History of the Czech Lands