# Helmer Key

> Swedish musicologist (1864-1939)

**Wikidata**: [Q5907330](https://www.wikidata.org/wiki/Q5907330)  
**Source**: https://4ort.xyz/entity/helmer-key


## References

1. Dictionary of Swedish National Biography
2. Archivio Storico Ricordi
3. LIBRIS. 2012
4. general catalog of BnF
5. Virtual International Authority File
6. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
7. [Source](http://www.mediehistoria.se/sveriges-pressarkiv/fran-rudolf-wall-till-kerstin-vinterhed-tidningsmakare-och-journalister-i-sveriges-pressarkiv/)
8. BnF authorities