Matthys, Christa. “Theo Engelen En Arthur P. Wolf (eds.), Marriage and the Family in Eurasia. Perspectives on the Hajnal Hypothesis”. TSEG - The Low Countries Journal of Social and Economic History 4, no. 1 (March 15, 2007): 158–159. Accessed April 11, 2026. https://testplatform.openjournals.nl/tseg/article/view/7841.