# Otto Frestadius

> Swedish engineer

**Wikidata**: [Q18238991](https://www.wikidata.org/wiki/Q18238991)  
**Source**: https://4ort.xyz/entity/otto-frestadius


## References

1. [Svenskagravar.se](http://www.svenskagravar.se/gravsatt/45661844)
2. Virtual International Authority File
3. Library of Congress Authorities
4. Integrated Authority File