title: [A fiscal source for the study of the Neapolitan population in the modern era:  the certificates of Neapolitan citizenship and immigration].
authors.forename: P
authors.initials: P
authors.lastname: Ventura
mesh_terms: D003625:Data Collection; D003710:Demography; D019049:Developed Countries; D004641:Emigration and Immigration; D005060:Europe; D007558:Italy; D011153:Population; D011157:Population Dynamics; D012106:Research; D012942:Social Sciences
keywords: Data Collection; Data Sources; Demographic Factors; Demography; Developed Countries; Europe; Historical Demography; Italy; Mediterranean Countries; Migration; Population; Population Dynamics; Research Methodology; Social Sciences; Southern Europe