# Jan Posthumus
**Wikidata**: [Q95378749](https://www.wikidata.org/wiki/Q95378749)  
**Source**: https://4ort.xyz/entity/jan-posthumus


## References

1. Czech National Authority Database
2. BnF authorities
3. Virtual International Authority File
4. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)