# Jean Ortlieb

> French geologist

**Wikidata**: [Q123185980](https://www.wikidata.org/wiki/Q123185980)  
**Source**: https://4ort.xyz/entity/jean-ortlieb


## References

1. [Source](https://sgn.univ-lille.fr/fileadmin/user_upload/sgn/documents/SGN-Reglement-Tome1-1875.pdf)
2. OPAC SBN