# Otto Iro

> Austrian vocal coach

**Wikidata**: [Q78086658](https://www.wikidata.org/wiki/Q78086658)  
**Source**: https://4ort.xyz/entity/otto-iro


## References

1. Literatur in Österreich 1938-1945, Band 4: Wien
2. Czech National Authority Database
3. Catalog of the German National Library
4. Bayerisches Musiker-Lexikon Online
5. Deutsche Biographie
6. Virtual International Authority File
7. CiNii Research
8. Wie is dat? (1948)