Robert Fitzroy Foster, The Oxford Illustrated History of Ireland, Oxford University Press, , 283–84 p. (ISBN0-19-289323-8, lire en ligne)
Diarmait Mac Giolla Chriost, Jailtacht: The Irish Language, Symbolic Power and Political Violence in Northern Ireland, 1972-2008, University of Wales Press, (ISBN978-0-7083-2497-4, lire en ligne)