Edmund Curtis 
History of Medieval Ireland (Routledge Revivals) [PDF ebook] 
From 1086 to 1513

First published in 1923, this formative history of Ireland is an extensive study of the period from 1086 – 1513. Beginning with the O’Brien High Kinship, Edmund Curtis takes us through the Anglo-Norman conquest and its sequel, ending with the death of Gerald 'the Great Earl’ of Kildare in 1513, a date when the second English conquest of Ireland (the 'Tudor Reconquest’) became imminent.This is a reissue of a definitive landmark study of Irish history by one of greatest Irish historians of the twentieth century.