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Are you Joseph F. O'Callaghan, author of the books below?
Reconquest and Crusade in Medieval Spain by Joseph F. O'Callaghan A History of Medieval Spain by Joseph F. O'Callaghan The Autobiography of St. Ignatius Loyola, with Related Documents by Joseph F. O'Callaghan The Gibraltar Crusade by Joseph F. O'Callaghan The Last Crusade in the West by Joseph F. O'Callaghan The Learned King by Joseph F. O'Callaghan The Cortes of Castile-León, 1188-1350 by Joseph F. O'Callaghan Alfonso X, the Justinian of His Age by Joseph F. O'Callaghan Alfonso X and the Cantigas De Santa Maria by Joseph F. O'Callaghan Alfonso X, the Cortes and Government in Medieval Spain by Joseph F. O'Callaghan


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