Hugh Eteriano, Contra Patarenos: 55 (Medieval Mediterranean) - Hardcover

When Cathars and Patarenes were spreading in western Europe, the Pisan scholar Hugh Eteriano, adviser to Manuel Comnenus on western church affairs, found a group of Patarenes among the western residents in Constantinople and wrote this previously unpublished treatise about them.

Bernard Hamilton, Ph.D. (1960) in History, University of London is Professor Emeritus of Crusading History at the University of Nottingham and has published extensively on Catharism and crusading history, including Crusaders, Cathars and the Holy Places (Ashgate,1999).
Janet Hamilton, B.Litt. (1964) in classical art history, University of Oxford, has published with B. Hamilton Christian dualist heresy in the Byzantine world, c.650-1450 (Manchester U.P. 1998).
Sarah Hamilton, Ph.D. (1997) in History, University of London, is Lecturer in Medieval History at the University of Exeter and has published The Practice of Penance 900-1050 (Royal Historical Society, Boydell and Brewer, 2001).