# Otto Heyder
**Wikidata**: [Q130726085](https://www.wikidata.org/wiki/Q130726085)  
**Source**: https://4ort.xyz/entity/otto-heyder


## References

1. Benezit Dictionary of Artists
2. RKDartists
3. askArt
4. Virtual International Authority File
5. Artists of the World Online
6. Union List of Artist Names
7. Artnet