# Konrad Wilhelm Hellwag

> German engineer (1827-1882)

**Wikidata**: [Q110172](https://www.wikidata.org/wiki/Q110172)  
**Source**: https://4ort.xyz/entity/konrad-wilhelm-hellwag


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. [Source](http://arch-pavouk.cz/index.php/architekti/759-hellwag-konrad-wilhelm)
4. [Source](https://vls.hsa.ethz.ch/client/link/de/archiv/einheit/864a851f825e4b76ba03f9689bbe5096)
5. [Source](https://www.deutsche-biographie.de/sfz29552.html)
6. CERL Thesaurus