Helmer Pedersen, E. (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. Tilgængelig hos: https://tidsskrift.dk/historisktidsskrift/article/view/51493 (Set: 5 december 2025).