# Jacob Apel
**Wikidata**: [Q106520384](https://www.wikidata.org/wiki/Q106520384)  
**Source**: https://4ort.xyz/entity/jacob-apel


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Virtual International Authority File
4. CERL Thesaurus
5. Répertoire International des Sources Musicales