# Karl Jacob Gummerus

> Finnish writer and publisher

**Wikidata**: [Q5397220](https://www.wikidata.org/wiki/Q5397220)  
**Source**: https://4ort.xyz/entity/karl-jacob-gummerus


## References

1. Biografiskt lexikon för Finland
2. BiographySampo
3. The National Biography of Finland
4. LIBRIS. 2006
5. Virtual International Authority File