# Volker Friedrich
**Wikidata**: [Q29693470](https://www.wikidata.org/wiki/Q29693470)  
**Source**: https://4ort.xyz/entity/volker-friedrich


## References

1. Integrated Authority File
2. general catalog of BnF
3. Virtual International Authority File
4. BnF authorities
5. ADAGP directory
6. National Library of Israel Names and Subjects Authority File