By Douglas Hay (Professor of History, Professor of History, York University, Ontario), Nicholas Rogers (Professor of History
By Gordon A. Craig, Gordon A. Craig (Professor of History, Professor of History, Stanford University)
By Peter Baldwin (Professor of History, Professor of History, University of California, Los Angeles)
By Carter V. Findley (Professor of History, Professor of History, Ohio State University)
By J. Spencer Trimingham (former Professor, former Professor, Near East School of Theology, Beirut), John O. Voll (Professor of History, Professor of History, Georgetown University)
By Ronald Hutton (Professor of History, Professor of History, University of Bristol)
