# Christoph Heyduck

> German photographer

**Wikidata**: [Q1084279](https://www.wikidata.org/wiki/Q1084279)  
**Source**: https://4ort.xyz/entity/christoph-heyduck


## References

1. Integrated Authority File
2. Czech National Authority Database
3. ADAGP/CISAC membership list at 07/01/2019
4. general catalog of BnF
5. Virtual International Authority File
6. [BnF authorities](https://catalogue.bnf.fr/ark:/12148/cb155043951)
7. DACS register
8. ADAGP directory
9. Virtual Study of Theatre Institute