Helmer Pedersen, Erik. 1973. “Michael Drake (Ed.): Population in Industrialization. Debates in Economic History, Ed. Peter Mathias. London, Methuen & Co. Ltd., 1969. Ix, 200 S. 30 Sh. Paperback 15 Sh”. Historisk Tidsskrift 12 (januar). https://tidsskrift.dk/historisktidsskrift/article/view/51493.