# Portrait of Petrus Bertius, Professor at Leiden

> painting by Arnoud van Halen

**Wikidata**: [Q17340199](https://www.wikidata.org/wiki/Q17340199)  
**Source**: https://4ort.xyz/entity/portrait-of-petrus-bertius-professor-at-leiden


## References

1. RKDimages
2. [Source](http://europeana.eu/portal/record//90402/SK_A_4556.html)
3. [Source](https://www.rijksmuseum.nl/nl/collectie/SK-A-4556)
4. [Source](https://archive.org/details/catalogusderschi00rijk_3/page/n187)