# Johann Freiherr von Mandl
**Wikidata**: [Q55193218](https://www.wikidata.org/wiki/Q55193218)  
**Source**: https://4ort.xyz/entity/johann-freiherr-von-mandl


## References

1. BnF authorities
2. Integrated Authority File
3. [Source](https://www.deutsche-biographie.de/sfz57642.html)
4. Library of Congress Control Number