# Freddy Klopfenstein
**Wikidata**: [Q112444650](https://www.wikidata.org/wiki/Q112444650)  
**Source**: https://4ort.xyz/entity/freddy-klopfenstein


## References

1. Virtual International Authority File
2. Integrated Authority File
3. Czech National Authority Database
4. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
5. [Source](https://literapedia-bern.ch/Klopfenstein,_Freddy)