# Johan Theodoor Ubbink

> Dutch university teacher

**Wikidata**: [Q21552506](https://www.wikidata.org/wiki/Q21552506)  
**Source**: https://4ort.xyz/entity/johan-theodoor-ubbink


## References

1. Catalogus Professorum Academiae Groninganae
2. [Catalogus Professorum Academiae Groninganae](http://hoogleraren.ub.rug.nl/?page=showPerson&type=hoogleraar&hoogleraar_id=1742)
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. Virtual International Authority File