# Helfried Hagenberg

> German artist

**Wikidata**: [Q18222147](https://www.wikidata.org/wiki/Q18222147)  
**Source**: https://4ort.xyz/entity/helfried-hagenberg


## References

1. Integrated Authority File
2. Virtual International Authority File
3. Artists of the World
4. [Source](https://www.documenta.de/en/retrospective/documenta_6)