# Karl Wilhelm Freiherr von Stein
**Wikidata**: [Q55892255](https://www.wikidata.org/wiki/Q55892255)  
**Source**: https://4ort.xyz/entity/karl-wilhelm-freiherr-von-stein


## References

1. Catalog of the German National Library
2. Deutsche Biographie
3. CERL Thesaurus
4. Faceted Application of Subject Terminology