# Otto Rieger

> Czech organ maker

**Wikidata**: [Q60820685](https://www.wikidata.org/wiki/Q60820685)  
**Source**: https://4ort.xyz/entity/otto-rieger-q60820685


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. [Source](https://www.biographien.ac.at/oebl/oebl_R/Rieger_Otto_1880_1920.xml)
4. Faceted Application of Subject Terminology
5. [Österreichisches Biographisches Lexikon 1815–1950](https://www.biographien.ac.at/oebl/oebl_R/Rieger_Otto_1880_1920.xml)
6. Library of Congress Control Number
7. [Source](http://www.musiklexikon.ac.at/ml/ml-beacon.txt)