Berkel, Klaas van. “F. Egmond, The World of Carolus Clusius: Natural History in the Making, 1550-1610”. BMGN - Low Countries Historical Review 126, no. 4 (January 1, 2011): 118–120. Accessed May 6, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-108418.