# Karel Modderaar

> physician (1911–1999)

**Wikidata**: [Q107551647](https://www.wikidata.org/wiki/Q107551647)  
**Source**: https://4ort.xyz/entity/karel-modderaar


## References

1. [Source](https://www.openarch.nl/gra:718437a7-f800-120b-bb92-1822452ecb29/nl)
2. [Source](http://beeldbankwo2.nl/nl/beelden/detail/f1dc0f46-025a-11e7-904b-d89d6717b464/media/0dcdc909-697b-3f6b-140d-4f6e2dc437dc)
3. [Source](https://www.ntvg.nl/system/files/publications/1947125120001a.pdf)
4. [Source](https://www.nationaalarchief.nl/onderzoeken/archief/2.10.50.02/invnr/286/file/NL-HaNA_2.10.50.02_286_0379?eadID=2.10.50.02&unitID=286&query=)
5. [Source](https://www.nationaalarchief.nl/onderzoeken/archief/2.10.50/invnr/33/file/NL-HaNA_2.10.50_33_0100?eadID=2.10.50&unitID=33&query=)
6. [Source](https://www.openarch.nl/gra:3056d5bf-f4f4-d565-9478-ceb7e6c268be)
7. [Source](https://www.online-familieberichten.nl/pers/1186259/Karel-Modderaar-1911-1999)
8. [Source](https://hdl.handle.net/21.12123/146922)