# Jan Koopmans

> Author of Vijf letterkundige studiën over de 17de en 18de eeuw

**Wikidata**: [Q108619503](https://www.wikidata.org/wiki/Q108619503)  
**Source**: https://4ort.xyz/entity/jan-koopmans-q108619503


## References

1. Biografisch Portaal
2. Digital Library for Dutch Literature
3. Open Library
4. [Source](https://www.dbnl.org/tekst/_jaa003192801_01/_jaa003192801_01_0020.php)