# Martin Widmer
**Wikidata**: [Q3295672](https://www.wikidata.org/wiki/Q3295672)  
**Source**: https://4ort.xyz/entity/martin-widmer


## References

1. BnF authorities
2. general catalog of BnF
3. Virtual International Authority File
4. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
5. SIKART
6. [BnF authorities](http://data.bnf.fr/ark:/12148/cb16183971j)