This Irish Franciscan College of St Anthony at Louvain, established in 1607, was an intellectual powerhouse for an attempt to save and promote the religion, culture and language of Gaelic Ireland. Most notably associated with that effort was Brother Micheal O Cleirigh, heading a scholarly team that produced, inter alia, the Annals of the Four Masters. This book comprises a revised edition of a book by Fr Brendan Jennings, first published in 1936, together with eight other scholarly articles by Paul Walsh, Felim O'Brien, and Canice Mooney.