# Leo Walther Stein
**Wikidata**: [Q55892258](https://www.wikidata.org/wiki/Q55892258)  
**Source**: https://4ort.xyz/entity/leo-walther-stein


## References

1. Integrated Authority File
2. Czech National Authority Database
3. Catalog of the German National Library
4. OPAC SBN
5. Deutsche Biographie
6. National Library of Israel Names and Subjects Authority File