# Jan Willem den Hartog
**Wikidata**: [Q107551639](https://www.wikidata.org/wiki/Q107551639)  
**Source**: https://4ort.xyz/entity/jan-willem-den-hartog


## References

1. [Source](https://www.openarchieven.nl/hua:A5FE1817-95C1-927F-E053-4701000AC389)
2. [Source](https://resolver.kb.nl/resolve?urn=ddd:010861599:mpeg21:p004)
3. [Source](https://www.openarchieven.nl/hua:81736423-12AF-451C-AD6B-BD59672D6ECD/nl)
4. [Source](https://hdl.handle.net/21.12123/224877)
5. [Source](http://beeldbankwo2.nl/nl/beelden/detail/da2deda6-025a-11e7-904b-d89d6717b464/media/b449143a-809d-279a-145f-c6e6a2940978)
6. collection website Museon-Omniversum
7. [Beeldbank WO2](http://beeldbankwo2.nl/nl/beelden/detail/c9601044-025a-11e7-904b-d89d6717b464/media/19542a73-b5f5-2727-9c8f-b15abee4ff04)
8. [Source](https://collectie.verzetsmuseum.org/ais6/Details/collect/3240)