# Albert Ruben
**Wikidata**: [Q94805050](https://www.wikidata.org/wiki/Q94805050)  
**Source**: https://4ort.xyz/entity/albert-ruben


## References

1. Catalog of the German National Library
2. [Source](https://kalliope-verbund.info/DE-611-BF-89093)
3. Deutsche Biographie