10622/9ZTT0C Stapel, Rombert0000-0001-6394-260X(International Institute of Social History)Flens, Isabel(International Institute of Social History)Vaccari, Daria(International Institute of Social History)Versmissen, Rosalie0000-0001-9558-8510(International Institute of Social History) IISH Data Collection 2024 This dataset contains a dataset of links between the observations in the digitised censuses created in the NWO-funded Replication Study '(Re)counting the Uncounted. Replication and Contextualisation of Dutch and Belgian Premodern Population Estimates (1350-1800)' and the unique identifiers of the GIS polygons of pseudo-territories in the Historical Atlas of the Low Countries, 1350-1800. As more data is completed and added to the IISH Data Collection, this dataset will grow progressively. Stapel, Rombert(International Institute of Social History)