# Hermann August Hagen

> German entomologist (1817–1893)

**Wikidata**: [Q73531](https://www.wikidata.org/wiki/Q73531)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hermann_August_Hagen)  
**Source**: https://4ort.xyz/entity/hermann-august-hagen


## References

1. Integrated Authority File
2. BnF authorities
3. Biodiversity Heritage Library
4. International Standard Name Identifier
5. Virtual International Authority File
6. CiNii Research
7. [Source](https://www.jstor.org/stable/pdf/20020569.pdf)
8. SNAC
9. Freebase Data Dumps. 2013
10. Bionomia
11. National Library of Israel Names and Subjects Authority File