The Book of History —— A History of All Nations From the Earliest Times to the Present, With Over 8000 Illustrations

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ISBN: 9781330796382 出版年：2016 页码：467 Viscount Bryce Forgotten Books

During that time the islands on the coast line were more and more disturbed by the Arabs, or Saracens, whose raids increased the traditional value attaching to fortified towns in effect they occupied the position that was formerly held by the invading barbarians, who had advanced upon the country from the north.