# Gustav Hefter
**Wikidata**: [Q60623789](https://www.wikidata.org/wiki/Q60623789)  
**Source**: https://4ort.xyz/entity/gustav-hefter


## References

1. Czech National Authority Database
2. Biographical Dictionary of the History of the Czech Lands
3. Integrated Authority File
4. Catalog of the German National Library
5. [Source](https://www.biographien.ac.at/oebl/oebl_H/Hefter_Gustav_1871_1917.xml)
6. [Österreichisches Biographisches Lexikon 1815–1950](https://www.biographien.ac.at/oebl/oebl_H/Hefter_Gustav_1871_1917.xml)