# Eelcko Ypma
**Wikidata**: [Q88531878](https://www.wikidata.org/wiki/Q88531878)  
**Source**: https://4ort.xyz/entity/eelcko-ypma


## References

1. Catalogue of the Library of the Pontifical University of the Holy Cross
2. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
3. Library of Congress Name Authority File
4. Virtual International Authority File