# J. A. van Maanen
**Wikidata**: [Q112439139](https://www.wikidata.org/wiki/Q112439139)  
**Source**: https://4ort.xyz/entity/j-a-van-maanen


## References

1. [Source](https://profs.library.uu.nl/index.php/profrec/getprofdata/1323/1/162/0)
2. IdRef
3. Czech National Authority Database
4. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
5. Virtual International Authority File
6. National Library of Israel Names and Subjects Authority File