Gilby, Thomas, 1902- Principality and polity: Aquinas and the rise of the state theory in the west / Thomas Gilby - London: New York: Longmans, Green, [1958] - 357 p.: 23 cm Subjects--Personal Names: Thomas, Aquinas, Saint, 1225?-1274 Subjects--Topical Terms: Political science--History Dewey Class. No.: 320.15 GIL