# Justus Sieber

> German author

**Wikidata**: [Q97518](https://www.wikidata.org/wiki/Q97518)  
**Source**: https://4ort.xyz/entity/justus-sieber


## References

1. Integrated Authority File
2. [Source](http://viaf.org/viaf/data/viaf-20170101-links.txt.gz)
3. Virtual International Authority File
4. Open Library
5. CERL Thesaurus
6. Répertoire International des Sources Musicales
7. MAK