# Hugo Schäfer
**Wikidata**: [Q61198342](https://www.wikidata.org/wiki/Q61198342)  
**Source**: https://4ort.xyz/entity/hugo-sch-fer-q61198342


## References

1. Integrated Authority File
2. Czech National Authority Database
3. Catalog of the German National Library
4. [Source](https://www.biographien.ac.at/oebl/oebl_S/Schaefer_Hugo_1879_1945.xml)
5. NUKAT
6. MAK
7. [Österreichisches Biographisches Lexikon 1815–1950](https://www.biographien.ac.at/oebl/oebl_S/Schaefer_Hugo_1879_1945.xml)
8. FactGrid
9. National Library of Israel Names and Subjects Authority File