Adam Kosto

Professor of History

Columbia University

Adam Kosto specializes in the institutional history of medieval Europe, with a focus on Catalonia and the Mediterranean. He received his M.Phil. from Cambridge (1990), and his Ph.D. from Harvard in 1996. He is the author of Making Agreements in Medieval Catalonia: Power, Order, and the Written Word, 1000-1200 (Cambridge UP, 2001) and  Hostages in the Middle Ages (Oxford UP, 2012), and co-editor of The Experience of Power in Medieval Europe , 950-1350 (Ashgate, 2005), Charters, Cartularies, and Archives: The Preservation and Transmission of Documents in the Medieval West (PIMS, 2002), and Documentary Practices and the Laity in the Early Middle Ages (Cambridge UP, 2012).