Mac Niocaill, G. (1981). Irish population before Petty: Problems and possibilities : O'Donnell lecture delivered at University College Galway, May 1981. National University of Ireland.
MLA CitationMac Niocaill, Gearóid. Irish Population Before Petty: Problems and Possibilities : O'Donnell Lecture Delivered at University College Galway, May 1981. National University of Ireland, 1981.
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