Health, Social Care and Old Age Provisions in Medieval and Early Modern Leiden - Zuijderduijn, Jaco; Looijesteijn, Henk; Walhout, Evelien; Lund University, Lund University School of Economics and Management, LUSEM, Department of Economic History, Lunds universitet, Ekonomihögskolan, Ekonomisk-historiska institutionen, Originator (A Companion to Medieval and Early Modern Leiden, 2026)