# Gertrud Villiger-Keller

> (1843-1908)

**Wikidata**: [Q1515701](https://www.wikidata.org/wiki/Q1515701)  
**Source**: https://4ort.xyz/entity/gertrud-villiger-keller


## References

1. Integrated Authority File
2. Aargauer Bibliografie
3. Historical Dictionary of Switzerland
4. FemBio database