# Gustav Hopf
**Wikidata**: [Q20752858](https://www.wikidata.org/wiki/Q20752858)  
**Source**: https://4ort.xyz/entity/gustav-hopf-q20752858


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. [Source](https://www.deutsche-biographie.de/sfz33731.html)