# Markus Wirthmann
**Wikidata**: [Q94370190](https://www.wikidata.org/wiki/Q94370190)  
**Source**: https://4ort.xyz/entity/markus-wirthmann


## References

1. [Source](https://sammlung-online.berlinischegalerie.de/en/artists/artist/13716/)
2. Integrated Authority File
3. Virtual International Authority File
4. Catalog of the German National Library
5. Faceted Application of Subject Terminology