# Karel Stephanus de Graag

> Dutch physician (1874-1940)

**Wikidata**: [Q136675931](https://www.wikidata.org/wiki/Q136675931)  
**Source**: https://4ort.xyz/entity/karel-stephanus-de-graag


## References

1. [Source](https://www.openarchieven.nl/hga:2ED65E82-BF0A-4391-BB62-220EEFB9D431)
2. [Source](https://www.openarchieven.nl/hga:7FC76A18-AB6F-4FE3-95C9-8969628A6823)
3. [Source](https://resolver.kb.nl/resolve?urn=MMKB18:005193000:00521)
4. [1902](https://resolver.kb.nl/resolve?urn=ddd:010648623:mpeg21:a0019)