# Ernst Spies
**Wikidata**: [Q94762277](https://www.wikidata.org/wiki/Q94762277)  
**Source**: https://4ort.xyz/entity/ernst-spies


## References

1. Catalog of the German National Library
2. Czech National Authority Database
3. Virtual International Authority File
4. CERL Thesaurus
5. [Source](https://digital.blb-karlsruhe.de/blbihd/periodical/pageview/1876757)
6. [Die Musik](https://archive.org/details/diemusik14gergoog/page/324)
7. [Source](https://schottarchiv-digital.de/search?Q=GND_117490121)