# Th. J. IJzerman

> Ph.D. (1923-2002)

**Wikidata**: [Q94521468](https://www.wikidata.org/wiki/Q94521468)  
**Source**: https://4ort.xyz/entity/th-j-ijzerman


## References

1. Library of Congress Name Authority File
2. Integrated Authority File
3. Mathematics Genealogy Project
4. Virtual International Authority File
5. Faceted Application of Subject Terminology
6. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
7. [Het Utrechts Archief](https://proxy.archieven.nl/20/DAEA0718632B4AA08EE96B4FCFF96BC8)
8. Library of Congress Authorities