# Johannes Keferstein

> naturalist

**Wikidata**: [Q55853294](https://www.wikidata.org/wiki/Q55853294)  
**Source**: https://4ort.xyz/entity/johannes-keferstein


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Deutsche Biographie
4. MAK
5. National Library of Israel Names and Subjects Authority File