Identifiers
| WikiData URI | http://www.wikidata.org/entity/Q1934705 |
| RKDartists | https://rkd.nl/explore/artists/240045 |
| Amsterdam Museum | http://hdl.handle.net/11259/people.28931 |
| Adamlink URI | https://adamlink.nl/person/holthaus-dick/5349 |
| WikiData URI | http://www.wikidata.org/entity/Q1934705 |
| RKDartists | https://rkd.nl/explore/artists/240045 |
| Amsterdam Museum | http://hdl.handle.net/11259/people.28931 |
| Adamlink URI | https://adamlink.nl/person/holthaus-dick/5349 |