# Ralph Hinterkeuser

> German photographer

**Wikidata**: [Q1666753](https://www.wikidata.org/wiki/Q1666753)  
**Source**: https://4ort.xyz/entity/ralph-hinterkeuser


## References

1. Virtual International Authority File
2. general catalog of BnF
3. Integrated Authority File
4. Union List of Artist Names
5. Photographers' Identities Catalog
6. Library of Congress Control Number
7. ADAGP directory