# Johann Adolf Heyl

> Austrian teacher and historian (1849-1927)

**Wikidata**: [Q60623832](https://www.wikidata.org/wiki/Q60623832)  
**Source**: https://4ort.xyz/entity/johann-adolf-heyl


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. [Source](https://www.biographien.ac.at/oebl/oebl_H/Heyl_Johann-Adolf_1849_1927.xml)
4. Répertoire International des Sources Musicales
5. [Österreichisches Biographisches Lexikon 1815–1950](https://www.biographien.ac.at/oebl/oebl_H/Heyl_Johann-Adolf_1849_1927.xml)
6. CONOR.SI