Northern Ireland. General Register Office. (1963). Census of population, 1961. H.M Stationery Off..
Stile di citazione ChicagoNorthern Ireland. General Register Office. Census of Population, 1961. Belfast: H.M Stationery Off., 1963.
Citazione MLANorthern Ireland. General Register Office. Census of Population, 1961. H.M Stationery Off., 1963.
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