# Udo Ritgen

> German author (1916–2010)

**Wikidata**: [Q2473347](https://www.wikidata.org/wiki/Q2473347)  
**Source**: https://4ort.xyz/entity/udo-ritgen


## References

1. Integrated Authority File
2. [Source](https://kalliope-verbund.info/DE-611-BF-120076)