# Gustav Steffens

> born 1842; died 1912

**Wikidata**: [Q104603215](https://www.wikidata.org/wiki/Q104603215)  
**Source**: https://4ort.xyz/entity/gustav-steffens


## References

1. Integrated Authority File
2. Virtual International Authority File
3. Catalog of the German National Library
4. Open Library
5. Czech National Authority Database
6. Répertoire International des Sources Musicales
7. NUKAT
8. MAK
9. [Source](https://openlibrary.org/works/OL7196684A)
10. [Source](https://opac.rism.info/search?id=pe30019587)
11. [Source](http://mak.bn.org.pl/cgi-bin/KHW/makwww.exe?BM=1&NU=1&IM=4&WI=9810657033405606)