This parish register from the Church at Hattfjelldal, Norway, shows all baptisms performed there between 1860 and 1878. Such documents were among the sources used to compile the first statistics for an area's population density.
Kirkebok (Ministerialbok) fra Hattfjelldal, Dåp i perioden 1860-1878, black-and-white photograph, unknown photographer; source: Den norkse kirke, www.kirken.no, Wikimedia Commons, https://commons.wikimedia.org/wiki/File:Hattfjelldal_Ministerialbok_D%C3%A5p_1860-1878.djvu, Creative Commons Attribution 2.5 License (CC BY 2.5), https://creativecommons.org/licenses/by/2.5/.