# Adriaan Jan Keij

> Dutch micropalaeontologist

**Wikidata**: [Q21518038](https://www.wikidata.org/wiki/Q21518038)  
**Source**: https://4ort.xyz/entity/adriaan-jan-keij


## References

1. [Source](https://archive.org/stream/northernterrito00nortl#page/2/mode/2up/search/Keij+)
2. Virtual International Authority File
3. Biodiversity Heritage Library