# Johann Conrad Widmer

> (1818-1903)

**Wikidata**: [Q55901344](https://www.wikidata.org/wiki/Q55901344)  
**Source**: https://4ort.xyz/entity/johann-conrad-widmer


## References

1. Historical Dictionary of Switzerland
2. Integrated Authority File
3. CERL Thesaurus
4. Catalog of the German National Library
5. [Source](http://thesaurus.cerl.org/record/cnp00616078)