# Johann Jakob Harder

> Swiss physician (1658-?)

**Wikidata**: [Q99490695](https://www.wikidata.org/wiki/Q99490695)  
**Source**: https://4ort.xyz/entity/johann-jakob-harder


## References

1. Alvin
2. Virtual International Authority File
3. CERL Thesaurus
4. [Source](http://www.alvin-portal.org/alvin/view.jsf?pid=alvin-person%3A34717)