# Yrjö Hirn

> Finnish philosopher and professor

**Wikidata**: [Q5400516](https://www.wikidata.org/wiki/Q5400516)  
**Source**: https://4ort.xyz/entity/yrj-hirn


## References

1. Biografiskt lexikon för Finland
2. BnF authorities
3. BiographySampo
4. The National Biography of Finland
5. [Source](https://www.hs.fi/kotimaa/art-2000004104381.html)
6. general catalog of BnF
7. Virtual International Authority File
8. CiNii Research
9. MusicBrainz
10. nobelprize.org
11. CONOR.SI
12. LIBRIS. 2018
13. National Library of Israel Names and Subjects Authority File
14. Catalogo of the National Library of India