# Otto Blümel
**Wikidata**: [Q31932076](https://www.wikidata.org/wiki/Q31932076)  
**Source**: https://4ort.xyz/entity/otto-bl-mel


## References

1. RKDartists
2. Czech National Authority Database
3. [online catalogue of Huis van het boek](https://mmm-web.adlibhosting.com/AIS6/Details/collect/7514055)
4. Virtual International Authority File
5. Artists of the World Online
6. archINFORM
7. [archINFORM](https://www.archinform.net/service/wd_aiarch.php)