# Jan Wiarda
**Wikidata**: [Q21552473](https://www.wikidata.org/wiki/Q21552473)  
**Source**: https://4ort.xyz/entity/jan-wiarda-q21552473


## References

1. [Catalogus Professorum Academiae Groninganae](http://hoogleraren.ub.rug.nl/?page=showPerson&type=hoogleraar&hoogleraar_id=1913)
2. Catalogus Professorum Academiae Groninganae
3. Album Academicum
4. Virtual International Authority File