# Wolfgang Portmann
**Wikidata**: [Q106371641](https://www.wikidata.org/wiki/Q106371641)  
**Source**: https://4ort.xyz/entity/wolfgang-portmann


## References

1. IdRef
2. Catalog of the German National Library
3. Virtual International Authority File
4. Library of Congress Authorities
5. Base de données des élites suisses