# Pieter Johannes van Rhijn

> Dutch astronomer (1886–1960)

**Wikidata**: [Q2541050](https://www.wikidata.org/wiki/Q2541050)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Pieter_Johannes_van_Rhijn)  
**Source**: https://4ort.xyz/entity/pieter-johannes-van-rhijn


## References

1. Catalogus Professorum Academiae Groninganae
2. Mathematics Genealogy Project
3. Czech National Authority Database
4. Catalog of the German National Library
5. [Mathematics Genealogy Project](http://www.genealogy.ams.org/id.php?id=112160)
6. [Mathematics Genealogy Project](http://www.genealogy.ams.org/id.php?id=112242)
7. Deutsche Biographie
8. Virtual International Authority File
9. Pieter Johannes van Rhijn. Biografisch Portaal
10. SNAC
11. IdRef
12. Library of Congress Control Number
13. National Library of Israel Names and Subjects Authority File