# Petrus Johannes Verdoorn
**Wikidata**: [Q47339488](https://www.wikidata.org/wiki/Q47339488)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Petrus_Johannes_Verdoorn)  
**Source**: https://4ort.xyz/entity/petrus-johannes-verdoorn


## References

1. [Biografisch Woordenboek van Nederland 1880-2000](http://resources.huygens.knaw.nl/bwn1880-2000/lemmata/bwn3/verdoorn)
2. Czech National Authority Database
3. Mathematics Genealogy Project
4. [Source](https://www.econometricsociety.org/society/organization-and-governance/fellows/memoriam)
5. CiNii Research
6. Biografisch Portaal
7. CONOR.SI