# Siegfried Ringler

> German author

**Wikidata**: [Q2283705](https://www.wikidata.org/wiki/Q2283705)  
**Source**: https://4ort.xyz/entity/siegfried-ringler


## References

1. International Standard Name Identifier
2. Virtual International Authority File
3. Catalogue of the Library of the Pontifical University of Saint Thomas Aquinas
4. NUKAT