# Jiří Sigl
**Wikidata**: [Q95328435](https://www.wikidata.org/wiki/Q95328435)  
**Source**: https://4ort.xyz/entity/ji-sigl


## References

1. Catalog of the German National Library
2. Czech National Authority Database
3. [regional database of the Municipal Library of Hradec Kralove](https://kmhk.tritius.cz/authority/2015186)
4. Virtual International Authority File
5. Bibliography of the History of the Czech Lands