# J.W. de Jongh
**Wikidata**: [Q59773002](https://www.wikidata.org/wiki/Q59773002)  
**Source**: https://4ort.xyz/entity/j-w-de-jongh


## References

1. [Source](http://www.onderwijsgeschiedenis.nl/Ontwikkeling-lesmethoden/Ontwikkeling-Geschiedenis-onderwijs/?prototype_reauth=1544901294)
2. [Source](https://www.openarch.nl/hga:5AEFE4BB-9372-4C4D-8AA5-A104BAB37A43)
3. [Source](https://hdl.handle.net/21.12123/129944)
4. Virtual International Authority File
5. [Source](https://www.openarch.nl/hga:D7F55BAE-314D-4B4D-98FA-AB2CFDFED4EF/nl)
6. [Source](https://www.collectiegelderland.nl/object/64e2d159-4f70-e1e7-07d2-e33ada572061)
7. [Source](https://n2t.net/ark:/33862/collect/715085)
8. CollectieGelderland