# Johann Maass

> German psychologist (1766–1823)

**Wikidata**: [Q214923](https://www.wikidata.org/wiki/Q214923)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Johann_Maass)  
**Source**: https://4ort.xyz/entity/johann-maass


## References

1. Integrated Authority File
2. Catalogus Professorum Halensis
3. International Standard Name Identifier
4. Virtual International Authority File
5. CiNii Research
6. Freebase Data Dumps. 2013
7. Czech National Authority Database
8. IdRef