# Willibald Haffner
**Wikidata**: [Q112486299](https://www.wikidata.org/wiki/Q112486299)  
**Source**: https://4ort.xyz/entity/willibald-haffner


## References

1. Integrated Authority File
2. Czech National Authority Database
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. Virtual International Authority File
5. CiNii Research
6. [Source](http://www.hochgebirgsforschung.de/ehemalige_mitglieder.php)