# Wolfgang Mettmann
**Wikidata**: [Q108865420](https://www.wikidata.org/wiki/Q108865420)  
**Source**: https://4ort.xyz/entity/wolfgang-mettmann


## References

1. BnF authorities
2. National Library of Israel Names and Subjects Authority File
3. [Source](https://www.dla-marbach.de/find/opac/id/PE00104013)