Musée des Beaux Arts de Lyon, Makro Detailanalyse, Jan Davidsz. de Heem, Antwerpen, Auktion Lempertz Köln, Cöln, Evert J.M. Douwes Fine Art Amsterdam, Restoration Retuschen, painting restoration, retouching, Infrarot Untersuchung, Infrared examination, Herzog Anton Ullrich - Museum Braunschweig, Jan Davidszoon de Heem, RKD, Johannes van der Meer Utrecht , Nederlands Instituut voor Kunstgeschiedenis, Netherlands Institute for Art History RKD, Schilderij, Den Haag, @ rkd.nl, Fred Meijer RKD, unabhängiger Kunsthistoriker Artmagazine well-known art historian and an acclaimed connoisseur in the field of Dutch and Flemish seventeenth-century painting Curator profile on Linkedln newnetherlandinstitute.org /history Prof. Claus Grimm historian director of the Bavarian historical ... art historian university professor. Catalogus der Tentoonstelling van oude Schilderijen The Society of london art dealers Antiques Fair TEFAF maastricht