Season of Birth and Early Childhood Mortality: A Review of the Debate and a Case Study for the Netherlands, 1812-1912 Frans van Poppel, Peter Ekamper, Kees Mandemakers To cite this chapter: Frans van Poppel, Peter Ekamper and Kees Mandemakers (2018). Season of Birth and Early Childhood Mortality: A Review of the Debate and a Case Study for the Netherlands, 1812- 1912. In Paul Puschmann & Tim Riswick (Eds.), Building Bridges. Scholars, History and Historical Demography. A Festschrift in Honor of Professor Theo Engelen (Pp. 590-625). Nijmegen: Valkhof Pers.