# Rudolf Käuffer

> entomologist

**Wikidata**: [Q21416101](https://www.wikidata.org/wiki/Q21416101)  
**Source**: https://4ort.xyz/entity/rudolf-k-uffer


## References

1. Integrated Authority File
2. IdRef
3. Virtual International Authority File
4. VcBA (identifier)
5. [Source](http://saebi.isgv.de/gnd/120769069)