# Wolfgang Köpffel
**Wikidata**: [Q55194223](https://www.wikidata.org/wiki/Q55194223)  
**Source**: https://4ort.xyz/entity/wolfgang-k-pffel


## References

1. Catalog of the German National Library
2. Integrated Authority File
3. BnF authorities
4. Czech National Authority Database
5. Virtual International Authority File
6. [LIBRIS. 2002](https://libris.kb.se/katalogisering/75kmmgvr1r48svm)
7. FactGrid
8. Provenio