# Bertha Pester-Prosky
**Wikidata**: [Q94747601](https://www.wikidata.org/wiki/Q94747601)  
**Source**: https://4ort.xyz/entity/bertha-pester-prosky


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. Bayerisches Musiker-Lexikon Online