# Johannes den Heijer
**Wikidata**: [Q113777317](https://www.wikidata.org/wiki/Q113777317)  
**Source**: https://4ort.xyz/entity/johannes-den-heijer


## References

1. IdRef
2. Catalog of the German National Library
3. Index Theologicus
4. Virtual International Authority File
5. CiNii Research
6. [Source](https://pust.urbe.it/cgi-bin/koha/opac-authoritiesdetail.pl?marc=1&authid=56970)
7. National Library of Israel Names and Subjects Authority File