# Sijthoff Pers
**Wikidata**: [Q87668781](https://www.wikidata.org/wiki/Q87668781)  
**Source**: https://4ort.xyz/entity/sijthoff-pers


## References

1. [Haags Gemeentearchief](https://hdl.handle.net/21.12124/D6E8F0B82E954852BE023EC625EBA2DB)
2. [Source](https://n2t.net/ark:/33862/collect/603015)
3. NMVW-collection website
4. [Source](https://www.collectiegelderland.nl/object/4af02091-7b93-1be6-7a3d-120917d67c27)
5. CollectieGelderland