# Gustav Jahn
**Wikidata**: [Q94759888](https://www.wikidata.org/wiki/Q94759888)  
**Source**: https://4ort.xyz/entity/gustav-jahn-q94759888


## References

1. Catalog of the German National Library
2. Q23559403
3. [civil death certificate](https://www.ancestry.de/imageviewer/collections/2958/images/41910_prep805_000209-00461?treeid=&personid=&rc=&queryId=cea6449e-8f66-4618-a1c3-709700fc251f&usePUB=true&_phsrc=iIb787&_phstart=successSource&pId=93063258)
4. BnF authorities
5. Czech National Authority Database
6. AlKindi
7. Virtual International Authority File