# John Welin

> Professor in logics and metaphysics, Åbo, Finland (1705-1744)

**Wikidata**: [Q18633862](https://www.wikidata.org/wiki/Q18633862)  
**Source**: https://4ort.xyz/entity/john-welin


## References

1. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb15103315m)
2. BiographySampo
3. The National Biography of Finland
4. general catalog of BnF
5. Virtual International Authority File
6. CERL Thesaurus
7. BnF authorities
8. KANTO