Ferdinand Gregorovius

Ferdinand Gregorovius is the author of History of the City of Rome in the Middle Ages, 11th Century, Book 7, History of the City of Rome in the Middle Ages, 1200-1260, Book 9, History of the City of Rome in the Middle Ages, 1260-1305, Book 10, History of the City of Rome in the Middle Ages, 12th Century, Book 8, History of the City of Rome in the Middle Ages, 1305-1354, Book 11, History of the City of Rome in the Middle Ages, 1355-1420, Book 12, History of the City of Rome in the Middle Ages, 1421-1503, Book 13, History of the City of Rome in the Middle Ages, 1503-1534, Book 14, and more...