# Wolf Appel

> German singer and opera singer (1942-1999)

**Wikidata**: [Q18029812](https://www.wikidata.org/wiki/Q18029812)  
**Source**: https://4ort.xyz/entity/wolf-appel


## References

1. filmportal.de
2. Virtual International Authority File
3. Integrated Authority File
4. National Library of Israel Names and Subjects Authority File
5. performing-arts.ch