# Peter Paul Müller-Schmid
**Wikidata**: [Q93233614](https://www.wikidata.org/wiki/Q93233614)  
**Source**: https://4ort.xyz/entity/peter-paul-m-ller-schmid


## References

1. Catalog of the German National Library
2. BnF authorities
3. Virtual International Authority File
4. CiNii Research
5. Catalogue of the Library of the Pontifical University of the Holy Cross