# Otto Arnold
**Wikidata**: [Q95249477](https://www.wikidata.org/wiki/Q95249477)  
**Source**: https://4ort.xyz/entity/otto-arnold-q95249477


## References

1. Czech National Authority Database
2. Biographical Dictionary of the History of the Czech Lands
3. Virtual International Authority File
4. Catalog of the German National Library
5. The Fine Art Archive