Leisner, Johny. “Nicholas Mansergh: The Irish Question, 1840-1921. New and Revised Edn. London, George Allen & Unwin, 1965. 316 Sider. 42 Sh”. Historisk Tidsskrift 12 (januar 1, 1967). Set december 5, 2025. https://tidsskrift.dk/historisktidsskrift/article/view/50692.