title: [On sources of "official" demographic data in the post-unification era].
mesh_terms: D019352:Censuses; D003625:Data Collection; D003710:Demography; D019049:Developed Countries; D005060:Europe; D007558:Italy; D011154:Population Characteristics; D012106:Research; D012942:Social Sciences; D014798:Vital Statistics
keywords: Census; Data Collection; Demography; Developed Countries; Europe; Historical Demography; Historical Survey; Italy; Mediterranean Countries; Population Statistics; Research Methodology; Social Sciences; Southern Europe; Vital Statistics
vernacular_title: Alle origini dei dati demografici "ufficiali" in epoca postunitaria