# Karl Mack
**Wikidata**: [Q94823795](https://www.wikidata.org/wiki/Q94823795)  
**Source**: https://4ort.xyz/entity/karl-mack


## References

1. Czech National Authority Database
2. Integrated Authority File
3. Catalog of the German National Library
4. [Österreichisches Biographisches Lexikon 1815–1950](https://www.biographien.ac.at/oebl/oebl_M/Mack_Karl_1882_1943.xml)
5. Virtual International Authority File