# Siegfried Frey

> (1901-1967)

**Wikidata**: [Q64589893](https://www.wikidata.org/wiki/Q64589893)  
**Source**: https://4ort.xyz/entity/siegfried-frey


## References

1. Historical Dictionary of Switzerland
2. Integrated Authority File
3. 20th Century Press Archives
4. Catalog of the German National Library
5. Virtual International Authority File