# Piet Leupen

> Dutch historian

**Wikidata**: [Q2674794](https://www.wikidata.org/wiki/Q2674794)  
**Source**: https://4ort.xyz/entity/piet-leupen


## References

1. general catalog of BnF
2. Virtual International Authority File
3. Catalogue of the Unione Romana Biblioteche Scientifiche
4. IdRef