# Bernhard Hagen

> German physician, explorer, zoologist and anthropologist (1853-1919)

**Wikidata**: [Q17486743](https://www.wikidata.org/wiki/Q17486743)  
**Source**: https://4ort.xyz/entity/bernhard-hagen


## References

1. Integrated Authority File
2. Hessian Biography
3. IdRef
4. Bionomia
5. Biodiversity Heritage Library
6. Faceted Application of Subject Terminology
7. Harvard Index of Botanists
8. Biographies of the Entomologists of the World
9. Virtual International Authority File
10. [Bionomia](https://bionomia.net/dataset/7e380070-f762-11e1-a439-00145eb45e9a)