# Rudolf F. Kallir
**Wikidata**: [Q72937520](https://www.wikidata.org/wiki/Q72937520)  
**Source**: https://4ort.xyz/entity/rudolf-f-kallir


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. [Source](https://www.bach-digital.de/receive/BachDigitalPerson_agent_00003018)
4. Répertoire International des Sources Musicales