# Siegfried Koesler

> German musician, choir director and musicologist (1937–2012)

**Wikidata**: [Q402167](https://www.wikidata.org/wiki/Q402167)  
**Source**: https://4ort.xyz/entity/siegfried-koesler


## References

1. Integrated Authority File
2. International Standard Name Identifier
3. Virtual International Authority File