# Ernst Theumer
**Wikidata**: [Q20057330](https://www.wikidata.org/wiki/Q20057330)  
**Source**: https://4ort.xyz/entity/ernst-theumer


## References

1. [Collection of Registry Books at Prague City Archives](https://katalog.ahmp.cz/pragapublica/permalink?xid=5A56487848CB466CAE0B76DB4FEF8A68&scan=186#scan186)