Identifiers
| WikiData URI | http://www.wikidata.org/entity/Q1921975 |
| RKDartists | https://rkd.nl/explore/artists/37190 |
| Amsterdam Museum | http://hdl.handle.net/11259/people.28745 |
| VIAF | http://viaf.org/viaf/290726220 |
| Adamlink URI | https://adamlink.nl/person/hekman-joop/4832 |
