# Norbert Gerd Hartmann

> German photographer

**Wikidata**: [Q99627585](https://www.wikidata.org/wiki/Q99627585)  
**Source**: https://4ort.xyz/entity/norbert-gerd-hartmann


## References

1. Integrated Authority File
2. askArt
3. ADAGP/CISAC membership list at 07/01/2019
4. Artnet
5. ADAGP directory