# Ernst Friedmann
**Wikidata**: [Q23062732](https://www.wikidata.org/wiki/Q23062732)  
**Source**: https://4ort.xyz/entity/ernst-friedmann-q23062732


## References

1. Catalog of the German National Library
2. Virtual International Authority File
3. [Source](https://gepris-historisch.dfg.de/person/5103318)