# J. van Heekeren
**Wikidata**: [Q94283592](https://www.wikidata.org/wiki/Q94283592)  
**Source**: https://4ort.xyz/entity/j-van-heekeren


## References

1. Integrated Authority File
2. Virtual International Authority File
3. Biographical Archive of the Benelux Countries
4. Faceted Application of Subject Terminology