# Karel Johan Reinier van Harderwijk

> Dutch pharmaceut

**Wikidata**: [Q98970874](https://www.wikidata.org/wiki/Q98970874)  
**Source**: https://4ort.xyz/entity/karel-johan-reinier-van-harderwijk


## References

1. BnF authorities
2. CiNii Research
3. Biografisch Portaal
4. Digital Library for Dutch Literature
5. VcBA (identifier)
6. NUKAT
7. MAK
8. Trove