Identifiers
| RKDartists | https://rkd.nl/explore/artists/91899 |
| Amsterdam Museum | http://hdl.handle.net/11259/people.33104 |
| Rijksmuseum Amsterdam | urn:rijksmuseum:people:RM0001.PEOPLE.54117 |
| Adamlink URI | https://adamlink.nl/person/walter-johannes/3435 |
| RKDartists | https://rkd.nl/explore/artists/91899 |
| Amsterdam Museum | http://hdl.handle.net/11259/people.33104 |
| Rijksmuseum Amsterdam | urn:rijksmuseum:people:RM0001.PEOPLE.54117 |
| Adamlink URI | https://adamlink.nl/person/walter-johannes/3435 |