# Gustav Čadek
**Wikidata**: [Q95174616](https://www.wikidata.org/wiki/Q95174616)  
**Source**: https://4ort.xyz/entity/gustav-adek


## References

1. Czech National Authority Database
2. [regional database of the Pilsen City Library](https://tritius.plzen.eu/authority/113127)
3. [Collection of Registry Books at Prague City Archives](http://katalog.ahmp.cz/pragapublica/permalink?xid=7EAF13396AB241F78BF7E10AAA6AE41B&scan=136#scan136)
4. Virtual International Authority File