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By L. Zastoupil
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By David M. Goldenberg
By Paul E. Lovejoy
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By John V. Tolan (, Professor of History, University of Nantes)
By Adnan A. Husain, K. E. Fleming
By Elizabeth E. Prevost (Assistant Professor of History, Grinnell College)
By Felicitas Becker (Assistant Professor, African History, Simon Fraser University, Vancouver)
By Nehemia Levtzion, Randall L. Pouwels
By Robert Irwin
By Stuart Schwartz
By John Lynch
By Henry Chadwick (, Emeritus Regius Professor of Divinity, University of Cambridge)
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By James D. G. Dunn
By Paula Fredriksen
By Marina Rustow
By Steve Bruce (Head of School of Social Science, University of Aberdeen)
By Tim Dowley
By David Daniell
By Dr. John Binns (Institute of Orthodox Christian Studies, UK)
By Peter Brown
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By Susan Jacoby
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By Rex Ahdar (Professor, Professor, Faculty of Law, University of Otago), Ian Leigh (Professor of Law, Professor of Law, Durham University)