# Carl Otto Hoffmann
**Wikidata**: [Q55901808](https://www.wikidata.org/wiki/Q55901808)  
**Source**: https://4ort.xyz/entity/carl-otto-hoffmann


## References

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