# Otto Heinrich John

> Austrian architect and master builder

**Wikidata**: [Q124680518](https://www.wikidata.org/wiki/Q124680518)  
**Source**: https://4ort.xyz/entity/otto-heinrich-john


## References

1. [Source](https://anno.onb.ac.at/cgi-content/anno?aid=sbw&datum=19271220&ref=anno-search&seite=4)
2. [Source](https://anno.onb.ac.at/cgi-content/anno?aid=sch&datum=19281001&ref=anno-search&seite=6)
3. Czech National Authority Database
4. [Source](https://anno.onb.ac.at/cgi-content/anno?aid=vfr&datum=19281006&ref=anno-search&seite=3)