# Wolf Hagelberg
**Wikidata**: [Q53501992](https://www.wikidata.org/wiki/Q53501992)  
**Source**: https://4ort.xyz/entity/wolf-hagelberg


## References

1. Integrated Authority File
2. CERL Thesaurus
3. Virtual International Authority File
4. The Stuttgart Database of Scientific Illustrators 1450–1950