# Frederik de Graaf

> botanist (1913-1971)

**Wikidata**: [Q21509990](https://www.wikidata.org/wiki/Q21509990)  
**Source**: https://4ort.xyz/entity/frederik-de-graaf-q21509990


## References

1. [Source](https://andreasschotel.nl/verre-schotelfamilie-op-bezoek-en-aandacht-voor-een-kunstzinnige-tante/)
2. Union List of Artist Names
3. [Source](https://www.dbnl.org/onzekinderboeken/jeugdlit_illustrator.php)
4. Integrated Authority File
5. International Plant Names Index
6. Digital Library for Dutch Literature
7. author citation in botany and mycology
8. Harvard Index of Botanists
9. NUKAT
10. [Digital Library for Dutch Literature](https://www.dbnl.org/auteurs/auteur.php?id=graa005)
11. Virtual International Authority File