# Paul Keyser
**Wikidata**: [Q20733987](https://www.wikidata.org/wiki/Q20733987)  
**Source**: https://4ort.xyz/entity/paul-keyser


## References

1. Integrated Authority File
2. Catalogus Professorum Halensis
3. Catalog of the German National Library
4. [Source](https://gepris-historisch.dfg.de/person/5106026)
5. [Source](http://www.catalogus-professorum-halensis.de/keyserpaul.html)