# Douwe Holwerda
**Wikidata**: [Q59526877](https://www.wikidata.org/wiki/Q59526877)  
**Source**: https://4ort.xyz/entity/douwe-holwerda


## References

1. BnF authorities
2. Virtual International Authority File
3. Catalogue of the Library of the Pontifical University of Saint Thomas Aquinas
4. Catalogus Professorum Academiae Groninganae
5. VcBA (identifier)
6. NUKAT
7. National Library of Israel Names and Subjects Authority File