Sturkenboom, Dorothee. “Understanding Emotional Identities: The Dutch Phlegmatic Temperament As Historical Case-Study”. BMGN - Low Countries Historical Review 129, no. 2 (June 12, 2014): 163–191. Accessed December 15, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-10-1-10-1-110095.