# Cornelis Braak

> Ph.D. Universiteit Leiden 1908

**Wikidata**: [Q102362263](https://www.wikidata.org/wiki/Q102362263)  
**Source**: https://4ort.xyz/entity/cornelis-braak


## References

1. IdRef
2. Mathematics Genealogy Project
3. Dutch National Thesaurus for Author Names