# Karel van der Waarde
**Wikidata**: [Q112517022](https://www.wikidata.org/wiki/Q112517022)  
**Source**: https://4ort.xyz/entity/karel-van-der-waarde


## References

1. RKDartists
2. Czech National Authority Database
3. [Source](https://www.bno.nl/leden)
4. [Source](http://graphicdesign-research.com/Karel/about.html)