# Frédéric Engel-Dollfus
**Wikidata**: [Q3089797](https://www.wikidata.org/wiki/Q3089797)  
**Source**: https://4ort.xyz/entity/fr-d-ric-engel-dollfus


## References

1. BnF authorities
2. [Léonore database](http://www2.culture.gouv.fr/public/mistral/leonore_fr?ACTION=CHERCHER&FIELD_1=COTE&VALUE_1=LH/897/63)
3. general catalog of BnF
4. Virtual International Authority File
5. La France savante