# Joannes Petrus Duffels

> entomologist

**Wikidata**: [Q27863248](https://www.wikidata.org/wiki/Q27863248)  
**Source**: https://4ort.xyz/entity/joannes-petrus-duffels


## References

1. [Source](https://www.biodiversitylibrary.org/page/58132648)
2. [Source](https://www.uva.nl/over-de-uva/alumni/overledenen/archief.html)
3. [Source](https://zookeys.pensoft.net/articles.php?id=2368)
4. Biodiversity Heritage Library