# Sigismond Mannheim
**Wikidata**: [Q20895756](https://www.wikidata.org/wiki/Q20895756)  
**Source**: https://4ort.xyz/entity/sigismond-mannheim


## References

1. [Source](http://gallica.bnf.fr/ark:/12148/bpt6k62048369/f3.image)
2. BnF authorities
3. general catalog of BnF
4. Virtual International Authority File