# Johann Otto von Hellwig

> German physician

**Wikidata**: [Q1246449](https://www.wikidata.org/wiki/Q1246449)  
**Source**: https://4ort.xyz/entity/johann-otto-von-hellwig


## References

1. Integrated Authority File
2. International Standard Name Identifier
3. Open Library
4. Early Modern Letters Online
5. Electronic Enlightenment
6. MAK
7. Virtual International Authority File