Identifiers
| RKDartists | https://rkd.nl/explore/artists/59561 |
| Amsterdam Museum | http://hdl.handle.net/11259/people.30691 |
| Rijksmuseum Amsterdam | urn:rijksmuseum:people:RM0001.PEOPLE.46087 |
| Adamlink URI | https://adamlink.nl/person/nieuwhoff-walraad/4089 |
| RKDartists | https://rkd.nl/explore/artists/59561 |
| Amsterdam Museum | http://hdl.handle.net/11259/people.30691 |
| Rijksmuseum Amsterdam | urn:rijksmuseum:people:RM0001.PEOPLE.46087 |
| Adamlink URI | https://adamlink.nl/person/nieuwhoff-walraad/4089 |