Identifiers
| WikiData URI | http://www.wikidata.org/entity/Q21541044 |
| Biografisch Portaal | http://www.biografischportaal.nl/persoon/45280140 |
| RKDartists | https://rkd.nl/explore/artists/36318 |
| Amsterdam Museum | http://hdl.handle.net/11259/people.28677 |
| VIAF | http://viaf.org/viaf/95683234 |
| Adamlink URI | https://adamlink.nl/person/hartz-louis/4894 |
