# Leopold Portheim
**Wikidata**: [Q94757209](https://www.wikidata.org/wiki/Q94757209)  
**Source**: https://4ort.xyz/entity/leopold-portheim


## References

1. [Source](https://www.oeaw.ac.at/gedenkbuch/personen/i-p/leopold-portheim)
2. Catalog of the German National Library
3. Deutsche Biographie
4. NUKAT