Huizinga, J.J. “T.U. Smeding, School in De Steigers. De Wording Van De Friese Lagere School in De Periode 1800-1857”. BMGN - Low Countries Historical Review 105, no. 3 (January 1, 1990): 442–444. Accessed August 17, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-103717.