# Johannes Willem Holtrop

> Dutch librarian (1806–1870), librarian of the Koninklijke Bibliotheek in The Hague, owner/creator of the album amicorum of Johannes Willem Holtrop (1806–1870)

**Wikidata**: [Q2105280](https://www.wikidata.org/wiki/Q2105280)  
**Source**: https://4ort.xyz/entity/johannes-willem-holtrop


## References

1. Virtual International Authority File
2. BnF authorities
3. RKDartists
4. general catalog of BnF
5. International Standard Name Identifier
6. Biografisch Portaal
7. KNAW Past Members
8. [KB catalogue](https://resolver.kb.nl/resolve?urn=PPN:389971731)
9. data.bibliotheken.nl
10. Library of Congress Control Number