# Holger Jacob-Friesen
**Wikidata**: [Q95245387](https://www.wikidata.org/wiki/Q95245387)  
**Source**: https://4ort.xyz/entity/holger-jacob-friesen


## References

1. Catalog of the German National Library
2. BnF authorities
3. Deutsche Biographie
4. archINFORM
5. Virtual International Authority File
6. CiNii Research
7. [archINFORM](https://www.archinform.net/service/wd_aiarch.php)