Oluf Hansen, H. (1979). S. Åkerman, H. C. Johansen, D. Gaunt (eds.), J. Pedersen (co-ed.): Chance and change: Social and economic studies in historical demography in the Baltic area. Odense University Press 1978. 294 s. Kr. 120,25. Historisk Tidsskrift, 13. Hentet fra https://tidsskrift.dk/historisktidsskrift/article/view/52129