# Johan Isak Björkstén
**Wikidata**: [Q13223054](https://www.wikidata.org/wiki/Q13223054)  
**Source**: https://4ort.xyz/entity/johan-isak-bj-rkst-n


## References

1. BiographySampo
2. The National Biography of Finland
3. Virtual International Authority File
4. Uppslagsverket Finland