# Ernst Schumacher
**Wikidata**: [Q71957335](https://www.wikidata.org/wiki/Q71957335)  
**Source**: https://4ort.xyz/entity/ernst-schumacher-q71957335


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Virtual International Authority File
4. [Source](https://vls.hsa.ethz.ch/client/link/de/archiv/einheit/d41fc9493ff446eda815db09254d7d8d)