# Adolf Keller
**Wikidata**: [Q69661696](https://www.wikidata.org/wiki/Q69661696)  
**Source**: https://4ort.xyz/entity/adolf-keller-q69661696


## References

1. Integrated Authority File
2. [Source](https://kalliope-verbund.info/DE-611-BF-96514)
3. CERL Thesaurus