Looijesteijn, Henk. “Albert Buursma, Caritas in Verandering. Vier Eeuwen Rooms-Katholieke Sociale Zorg in De Stad Groningen ”. TSEG - The Low Countries Journal of Social and Economic History, vol. 19, no. 2, Sept. 2022, pp. 144-6, https://doi.org/10.52024/tseg.12303.