Identifiers
| WikiData URI | http://www.wikidata.org/entity/Q1809999 |
| Biografisch Portaal | http://www.biografischportaal.nl/persoon/09566219 |
| RKDartists | https://rkd.nl/explore/artists/86730 |
| Amsterdam Museum | http://hdl.handle.net/11259/people.19408 |
| VIAF | http://viaf.org/viaf/18629300 |
| Adamlink URI | https://adamlink.nl/person/zwart-willem-de/8986 |
