# Otto Siegfried Harnisch
**Wikidata**: [Q2040626](https://www.wikidata.org/wiki/Q2040626)  
**Source**: https://4ort.xyz/entity/otto-siegfried-harnisch


## References

1. Integrated Authority File
2. Musicalics
3. Virtual International Authority File
4. [Source](http://imslp.org/wiki/Category:Harnisch%2C_Otto_Siegfried)