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Trade and Institutions in the Medieval Mediterranean: The Geniza Merchants and their Business World (Cambridge Studies in Economic History - Second Series)
Nobility and Kingship in Medieval England: The Earls and Edward I, 1272–1307: 91 (Cambridge Studies in Medieval Life and Thought: Fourth Series, Series Number 91)
Central Europe in the High Middle Ages: Bohemia, Hungary and Poland, c.900–c.1300 (Cambridge Medieval Textbooks)