# Gustav Leube
**Wikidata**: [Q94888542](https://www.wikidata.org/wiki/Q94888542)  
**Source**: https://4ort.xyz/entity/gustav-leube


## References

1. Catalog of the German National Library
2. [Source](https://kalliope-verbund.info/DE-611-BF-86467)
3. Geneological database Merkel-Zeller