# Helmut Ridder

> German jurist (1919–2007)

**Wikidata**: [Q1604057](https://www.wikidata.org/wiki/Q1604057)  
**Source**: https://4ort.xyz/entity/helmut-ridder


## References

1. Integrated Authority File
2. Nazi Party Membership Database Lookup
3. [Source](https://www.blaetter.de/sites/default/files/downloads/zurueck/zurueckgeblaettert_200711_1.pdf)
4. [Source](https://opus.bibliothek.uni-augsburg.de/opus4/frontdoor/deliver/index/docId/567/file/Heigl_Abendroth.pdf)
5. International Standard Name Identifier
6. Virtual International Authority File
7. Munzinger Personen