# Gerald Brettner-Messler
**Wikidata**: [Q28500272](https://www.wikidata.org/wiki/Q28500272)  
**Source**: https://4ort.xyz/entity/gerald-brettner-messler


## References

1. Czech National Authority Database
2. Catalog of the German National Library
3. Virtual International Authority File
4. ÖsterreichWiki