M’rani Alaoui, Malika. “Early Photography in the Rijksmuseum’s Collection: A Group of Glass Negatives from the Estate of Laurens Lodewijk Kleijn (1826-1909)”. The Rijksmuseum Bulletin 68, no. 1 (March 15, 2020): 5–29. Accessed May 1, 2024. https://bulletin.rijksmuseum.nl/article/view/9688.