van Zuien, Eva. “A Family Portrait in Silver Grey: The Intriguing Painting Technique of Pierre-Paul Prud’hon Revealed by the Restoration of the Portrait of Rutger Jan Schimmelpenninck With His Wife and Children (1801-02)”. The Rijksmuseum Bulletin 60, no. 3 (September 15, 2012): 194–211. Accessed November 22, 2024. https://bulletin.rijksmuseum.nl/article/view/9877.