# Willem van Maanen

> university teacher (1890–1989)

**Wikidata**: [Q2687095](https://www.wikidata.org/wiki/Q2687095)  
**Source**: https://4ort.xyz/entity/willem-van-maanen


## References

1. Album Academicum
2. Virtual International Authority File
3. Library of Congress Name Authority File
4. Biografisch Portaal