# Willem Levinus Penning
**Wikidata**: [Q2533826](https://www.wikidata.org/wiki/Q2533826)  
**Source**: https://4ort.xyz/entity/willem-levinus-penning


## References

1. Integrated Authority File
2. [Source](https://pid.uba.uva.nl/ark:/88238/b2659)
3. Biografisch Portaal
4. Virtual International Authority File