# Fritz K. Mathys
**Wikidata**: [Q108813704](https://www.wikidata.org/wiki/Q108813704)  
**Source**: https://4ort.xyz/entity/fritz-k-mathys


## References

1. Integrated Authority File
2. Virtual International Authority File
3. Kallías
4. National Library of Israel Names and Subjects Authority File
5. [Source](https://www.dla-marbach.de/find/opac/id/PE00399224)