ph.d. trinity college dublin history ireland irish history, ph.d. contact nineteenth century archive twentieth century tara archaeology dublin europe northern ireland war first world war great britain life culture eighteenth century seventeenth-century world literature humans people ancient classics social arts and humanities european france political science geography united states political science, ph.d. britain and ireland economic nineteenth century ireland politics family society world war british influence early medieval national social history english medieval political religion community government human modern england economic history irish history north america western french great famine irish society modern history, ph.d. history 19th century history 20th century perspectives theology women catholic classics, ph.d. genetics, ph.d. revolution 20th century catholic church cultural history