# Gustaf Oskar Sumelius
**Wikidata**: [Q55395883](https://www.wikidata.org/wiki/Q55395883)  
**Source**: https://4ort.xyz/entity/gustaf-oskar-sumelius


## References

1. [Source](https://www.theseus.fi/bitstream/handle/10024/38902/Lindblad_Jaana.pdf?sequence=1&isAllowed=y)