# Bernhard Widder
**Wikidata**: [Q9169453](https://www.wikidata.org/wiki/Q9169453)  
**Source**: https://4ort.xyz/entity/bernhard-widder-q9169453


## References

1. IdRef
2. archINFORM
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. Virtual International Authority File
5. Literatur Netz Oberösterreich
6. DACS register
7. [archINFORM](https://www.archinform.net/service/wd_aiarch.php)
8. ADAGP directory
9. National Library of Israel Names and Subjects Authority File