# Otto Bertl
**Wikidata**: [Q95248390](https://www.wikidata.org/wiki/Q95248390)  
**Source**: https://4ort.xyz/entity/otto-bertl


## References

1. Catalog of the German National Library
2. Nazi Party Membership Database Lookup
3. Czech National Authority Database
4. Integrated Authority File
5. The Fine Art Archive
6. [Source](https://www.villamassimo.de/de/stipendiaten)
7. [Source](https://www.villamassimo.de/de/informationen/villa-massimo/studienaufenthalt/liste-rvm-1928-2023)