# Richard August Keller
**Wikidata**: [Q94943741](https://www.wikidata.org/wiki/Q94943741)  
**Source**: https://4ort.xyz/entity/richard-august-keller


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. [Source](https://kalliope-verbund.info/DE-611-BF-124984)
4. Virtual International Authority File