# William Hammer
**Wikidata**: [Q109859560](https://www.wikidata.org/wiki/Q109859560)  
**Source**: https://4ort.xyz/entity/william-hammer-q109859560


## References

1. Integrated Authority File
2. Virtual International Authority File
3. [Open Library](https://openlibrary.org/authors/OL2338357A/William_Hammer)
4. Répertoire International des Sources Musicales
5. VcBA (identifier)
6. [Source](https://openlibrary.org/authors/OL2338357A/William_Hammer)