Identifiers
| WikiData URI | http://www.wikidata.org/entity/Q2824028 |
| Biografisch Portaal | http://www.biografischportaal.nl/persoon/38603324 |
| Ecartico | http://www.vondel.humanities.uva.nl/ecartico/persons/8284 |
| RKDartists | https://rkd.nl/explore/artists/84577 |
| Amsterdam Museum | http://hdl.handle.net/11259/people.18841 |
| VIAF | http://viaf.org/viaf/33188020 |
| Adamlink URI | https://adamlink.nl/person/willaerts-adam/2991 |
