Guttormsson, Loftur, and Ólöf Garðarsdóttir. “The Development of Infant Mortality in Iceland, 1800-1920”. Hygiea Internationalis: An interdisciplinary journal for the History of Public Health 3, no. 1 (December 18, 2002): 151–176. Accessed July 19, 2025. https://journal.ep.liu.se/hygiea/article/view/5751.