# Otto Piffl
**Wikidata**: [Q996853](https://www.wikidata.org/wiki/Q996853)  
**Source**: https://4ort.xyz/entity/otto-piffl


## References

1. [Students of the Universities of Prague 1882–1945](http://is.cuni.cz/webapps/archiv/public/person/se/1958144837182519)
2. Integrated Authority File
3. Czech National Authority Database
4. [Source](http://biography.hiu.cas.cz/Personal/index.php?curid=68749)
5. Virtual International Authority File
6. Students of the Universities of Prague 1882–1945