Antonio, Prior of Crato. The Explanation of the True and Lawful Right and Title of the Most Excellent Prince Anthony, the First of That Name, King of Portugal (1585).

Polemon, John. The Second Part of the Book of Battles Fought in Our Age (1587).

REFERENCE : John Yoklovich, ed. 'The Battle of Alcazar.' The Life and Works of George Peele. Gen. ed. Charles Tyler Prouty. 3 vols. New Haven: Yale University Press, 1952-70. 2.226-79.