Identifiers
| WikiData URI | http://www.wikidata.org/entity/Q1950048 |
| RKDartists | https://rkd.nl/explore/artists/7668 |
| Amsterdam Museum | http://hdl.handle.net/11259/people.74560 |
| VIAF | http://viaf.org/viaf/163960301 |
| Adamlink URI | https://adamlink.nl/person/bertrams-joep/3751 |
