# Otto Blumenfeld

> German Jewish art collector

**Wikidata**: [Q21935578](https://www.wikidata.org/wiki/Q21935578)  
**Source**: https://4ort.xyz/entity/otto-blumenfeld


## References

1. [Works with a suspicious provenance](https://www.boijmans.nl/en/works-with-a-suspicious-provenance)