# Carl Siegmund Koch
**Wikidata**: [Q72937613](https://www.wikidata.org/wiki/Q72937613)  
**Source**: https://4ort.xyz/entity/carl-siegmund-koch


## References

1. Catalog of the German National Library
2. [Source](https://www.bach-digital.de/receive/BachDigitalPerson_agent_00003165)
3. Répertoire International des Sources Musicales