- HNA (Historians of Netherlandish Art)
Historians of Netherlandish Art is an international organization founded in 1983 to foster communication and collaboration among historians of Northern European art from medieval to modern times.
- Codart (Curators of Duch and Flemish Art)
CODART is an international network for curators of art from the Low Countries.
- Rijksbureau voor Kunsthistorische Documentatie (RKD), Den Haag