Identifiers
| WikiData URI | http://www.wikidata.org/entity/Q2351341 |
| RKDartists | https://rkd.nl/explore/artists/84604 |
| Amsterdam Museum | http://hdl.handle.net/11259/people.22675 |
| VIAF | http://viaf.org/viaf/103258856 |
| Adamlink URI | https://adamlink.nl/person/willemen-kees/3549 |
