# Johannes Janssen
**Wikidata**: [Q109856958](https://www.wikidata.org/wiki/Q109856958)  
**Source**: https://4ort.xyz/entity/johannes-janssen-q109856958


## References

1. Integrated Authority File
2. Virtual International Authority File
3. NUKAT
4. Open Library
5. CONOR.SI
6. [Source](https://openlibrary.org/authors/OL2378317A/Janssen_Johannes)