# Andreas Koopmann
**Wikidata**: [Q61855652](https://www.wikidata.org/wiki/Q61855652)  
**Source**: https://4ort.xyz/entity/andreas-koopmann


## References

1. Czech National Authority Database
2. datos.bne.es
3. VIAF ID
4. NUKAT
5. Virtual International Authority File
6. Base de données des élites suisses
7. [Regional Database of the Central Bohemian Research Library in Kladno](https://ipac.svkkl.cz/arl-kl/cs/detail-kl_us_auth-0344624-Koopmann-Andreas-1951)