# Gustav Jakob Friedrich von Ungern-Sternberg
**Wikidata**: [Q94892689](https://www.wikidata.org/wiki/Q94892689)  
**Source**: https://4ort.xyz/entity/gustav-jakob-friedrich-von-ungern-sternberg


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. Virtual International Authority File