# Helmut Apffel

> German author (1911–2007)

**Wikidata**: [Q1603349](https://www.wikidata.org/wiki/Q1603349)  
**Source**: https://4ort.xyz/entity/helmut-apffel


## References

1. Integrated Authority File
2. International Standard Name Identifier
3. Virtual International Authority File
4. BnF authorities
5. National Library of Israel Names and Subjects Authority File