# Heinz Irsen
**Wikidata**: [Q55677341](https://www.wikidata.org/wiki/Q55677341)  
**Source**: https://4ort.xyz/entity/heinz-irsen


## References

1. Integrated Authority File
2. [Source](https://kalliope-verbund.info/DE-611-BF-123511)
3. International Music Score Library Project