Identifiers
| WikiData URI | http://www.wikidata.org/entity/Q22668940 |
| Biografisch Portaal | http://www.biografischportaal.nl/persoon/84680199 |
| RKDartists | https://rkd.nl/explore/artists/40061 |
| Amsterdam Museum | http://hdl.handle.net/11259/people.29055 |
| Adamlink URI | https://adamlink.nl/person/houtman-martinus-i/4733 |
