Van Praet, Carmen, and Christophe Verbruggen. “‘Soldiers for a Joint Cause’: A Relational Perspective on Local and International Educational Leagues and Associations in the 1860s”. BMGN - Low Countries Historical Review 130, no. 1 (March 23, 2015): 4–24. Accessed November 21, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-110205.