# Johann Effler
**Wikidata**: [Q98795108](https://www.wikidata.org/wiki/Q98795108)  
**Source**: https://4ort.xyz/entity/johann-effler


## References

1. Integrated Authority File
2. Virtual International Authority File
3. Catalog of the German National Library
4. CERL Thesaurus
5. [Source](https://www.bach-digital.de/receive/BachDigitalPerson_agent_00001985)
6. Carl-Maria-von-Weber-Gesamtausgabe
7. Répertoire International des Sources Musicales
8. [Source](http://thesaurus.cerl.org/record/cnp02113549)
9. [Source](https://opac.rism.info/search?id=pe30018519)