# Hans Heinrich Keller

> Dr. phil. Universität Zürich 1950

**Wikidata**: [Q102138881](https://www.wikidata.org/wiki/Q102138881)  
**Source**: https://4ort.xyz/entity/hans-heinrich-keller


## References

1. Integrated Authority File
2. Czech National Authority Database
3. Mathematics Genealogy Project
4. Virtual International Authority File
5. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
6. Catalogo of the National Library of India