# Emil Friedrich Zurhelle
**Wikidata**: [Q21552119](https://www.wikidata.org/wiki/Q21552119)  
**Source**: https://4ort.xyz/entity/emil-friedrich-zurhelle


## References

1. Catalogus Professorum Academiae Groninganae
2. [Catalogus Professorum Academiae Groninganae](http://hoogleraren.ub.rug.nl/?page=showPerson&type=hoogleraar&hoogleraar_id=2046)
3. Catalog of the German National Library
4. Alvin
5. Czech National Authority Database
6. Virtual International Authority File