# Felix Gruber
**Wikidata**: [Q55681453](https://www.wikidata.org/wiki/Q55681453)  
**Source**: https://4ort.xyz/entity/felix-gruber


## References

1. Integrated Authority File
2. Salzburgwiki
3. The LiederNet Archive
4. [Source](http://www.musiklexikon.ac.at/ml/ml-beacon.txt)