# Otto Valentien

> German painter, graphic artist and architect

**Wikidata**: [Q21289588](https://www.wikidata.org/wiki/Q21289588)  
**Source**: https://4ort.xyz/entity/otto-valentien


## References

1. Catalog of the German National Library
2. Union List of Artist Names
3. RKDartists
4. archINFORM
5. Czech National Authority Database
6. Virtual International Authority File
7. Artnet
8. [Source](https://www.archinform.net/service/wd_aiarch.php)