# Klaas Berend Klaassen
**Wikidata**: [Q73625230](https://www.wikidata.org/wiki/Q73625230)  
**Source**: https://4ort.xyz/entity/klaas-berend-klaassen


## References

1. Virtual International Authority File
2. BnF authorities
3. dataset Library TU Delft. 2017
4. NUKAT