# Willem Koster Gzn.

> Dutch university teacher

**Wikidata**: [Q65849677](https://www.wikidata.org/wiki/Q65849677)  
**Source**: https://4ort.xyz/entity/willem-koster-gzn-


## References

1. Onze Hoogleeraren
2. Leidse Hoogleraren
3. Library of Congress Name Authority File
4. Base biographique