# Leonhard Haas

> Swiss archivist and historian of modern age (1908-2000)

**Wikidata**: [Q1423210](https://www.wikidata.org/wiki/Q1423210)  
**Source**: https://4ort.xyz/entity/leonhard-haas-q1423210


## References

1. Historical Dictionary of Switzerland
2. Virtual International Authority File
3. Base de données des élites suisses
4. National Library of Israel Names and Subjects Authority File