# Johanna Karolina Calonius
**Wikidata**: [Q81974237](https://www.wikidata.org/wiki/Q81974237)  
**Source**: https://4ort.xyz/entity/johanna-karolina-calonius


## References

1. Source
2. student register of the University of Helsinki 1853–1899
3. [Source](https://www.tampere.fi/ytoteto/aka/nahtavillaolevat/8048/selvitykset/8048_rakennushistoriaselvitys.pdf)