# Koene & Büttinghausen
**Wikidata**: [Q27508473](https://www.wikidata.org/wiki/Q27508473)  
**Source**: https://4ort.xyz/entity/koene-b-ttinghausen


## References

1. [Source](https://www.collectiegelderland.nl/object/ee1e8123-2ac4-5d0a-ba1d-fa3614c3a1eb)
2. RKDartists
3. [Source](https://www.collectiegelderland.nl/object/7c646709-431b-5f6e-be5e-670bae81c9ce)
4. NMVW-collection website
5. [Source](https://www.collectiegelderland.nl/object/a82f3889-aa53-557b-889d-83184b82b486)
6. [Source](https://www.collectiegelderland.nl/object/62fb6133-c03d-5c75-b023-1233f8142c3b)
7. [Source](https://www.collectiegelderland.nl/object/bb8e48ce-c299-5db6-9c57-2640f7eb9f6d)
8. [1910](https://n2t.net/ark:/33862/collect/632909)
9. CollectieGelderland