# Wilhelm Popper
**Wikidata**: [Q60820129](https://www.wikidata.org/wiki/Q60820129)  
**Source**: https://4ort.xyz/entity/wilhelm-popper


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. [Source](https://www.biographien.ac.at/oebl/oebl_P/Popper_Wilhelm_1846_1924.xml)
4. [Österreichisches Biographisches Lexikon 1815–1950](https://www.biographien.ac.at/oebl/oebl_P/Popper_Wilhelm_1846_1924.xml)
5. [Source](http://www.musiklexikon.ac.at/ml/ml-beacon.txt)