Higham, Hannah, and Aleth Lorne. “A Terracotta ‘Madonna and Child With a Book’: Ascribed to the Master of the Unruly Children: New Physical Evidence and Interpretation”. The Rijksmuseum Bulletin 59, no. 4 (December 15, 2011): 348–367. Accessed May 19, 2024. https://bulletin.rijksmuseum.nl/article/view/11486.