# Otto von Helversen

> German zoologist and university teacher (1943-2009)

**Wikidata**: [Q105403](https://www.wikidata.org/wiki/Q105403)  
**Source**: https://4ort.xyz/entity/otto-von-helversen


## References

1. Integrated Authority File
2. [Source](https://doi.org/10.3161/001.011.0202)
3. general catalog of BnF
4. Virtual International Authority File
5. BnF authorities
6. Czech National Authority Database