Løkke, Anne. “Infant Mortality in Nineteenth Century Denmark. Regionality, Feeding Habits, Illegitimacy and Causes of Death”. Hygiea Internationalis: An Interdisciplinary Journal for the History of Public Health, vol. 3, no. 1, Dec. 2002, pp. 115-49, doi:10.3384/hygiea.1403-8668.0231115.