# Robert Balk
**Wikidata**: [Q111549372](https://www.wikidata.org/wiki/Q111549372)  
**Source**: https://4ort.xyz/entity/robert-balk


## References

1. IdRef
2. Integrated Authority File
3. SHARE Catalogue
4. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
5. Biodiversity Heritage Library
6. Prabook