# Constant Johan Jacob van Hall

> Dutch botanist, plant pathologist and microbiologist (1875 - 1947)

**Wikidata**: [Q21514519](https://www.wikidata.org/wiki/Q21514519)  
**Source**: https://4ort.xyz/entity/constant-johan-jacob-van-hall


## References

1. Biografisch Portaal
2. Virtual International Authority File
3. CiNii Research
4. International Plant Names Index
5. author citation in botany and mycology
6. KNAW Past Members
7. Biodiversity Heritage Library
8. Genealogics
9. Album Academicum
10. [Source](https://www.biodiversitylibrary.org/creator/11210)