# Gustav Koester
**Wikidata**: [Q94879504](https://www.wikidata.org/wiki/Q94879504)  
**Source**: https://4ort.xyz/entity/gustav-koester


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. [Source](https://kalliope-verbund.info/DE-611-BF-108554)
4. Virtual International Authority File