Identifiers
| WikiData URI | http://www.wikidata.org/entity/Q47538302 |
| RKDartists | https://rkd.nl/explore/artists/52884 |
| Amsterdam Museum | http://hdl.handle.net/11259/people.84380 |
| Adamlink URI | https://adamlink.nl/person/martens-johan-heinrich/4206 |
| WikiData URI | http://www.wikidata.org/entity/Q47538302 |
| RKDartists | https://rkd.nl/explore/artists/52884 |
| Amsterdam Museum | http://hdl.handle.net/11259/people.84380 |
| Adamlink URI | https://adamlink.nl/person/martens-johan-heinrich/4206 |