# Helmut Dirnaichner
**Wikidata**: [Q95281761](https://www.wikidata.org/wiki/Q95281761)  
**Source**: https://4ort.xyz/entity/helmut-dirnaichner


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. The Fine Art Archive
4. Faceted Application of Subject Terminology
5. Virtual International Authority File
6. ADAGP/CISAC membership list at 07/01/2019
7. DACS register
8. ADAGP directory