# Sybrandus Johannes Warren
**Wikidata**: [Q109859081](https://www.wikidata.org/wiki/Q109859081)  
**Source**: https://4ort.xyz/entity/sybrandus-johannes-warren


## References

1. Integrated Authority File
2. Virtual International Authority File
3. Biografisch Portaal
4. [Source](http://www.dwc.knaw.nl/biografie/pmknaw/?page_id=&pagetype=authorDetail&aId=PE00003734)
5. Open Library