# Bernhard Hopffer
**Wikidata**: [Q33106309](https://www.wikidata.org/wiki/Q33106309)  
**Source**: https://4ort.xyz/entity/bernhard-hopffer


## References

1. Library of Congress Name Authority File
2. [Source](https://kalliope-verbund.info/DE-611-BF-10050)
3. Hopffer, Bernhard (ADB)
4. International Music Score Library Project
5. Virtual International Authority File