# Willisau Stadt
**Wikidata**: [Q689603](https://www.wikidata.org/wiki/Q689603)  
**Source**: https://4ort.xyz/entity/willisau-stadt


## References

1. Virtual International Authority File
2. Historical Dictionary of Switzerland
3. [Source](http://classifications.data.admin.ch/municipality/1149)
4. Historicized municipal directory of Switzerland