By John R. Bradley
By S. Poggo
By Ralph A Austen (Professor Emeritus of African History, Professor Emeritus of African History, University of Chicago)
By Prof Peter Parsons
By Brian Fagan
By Amelie Kuhrt (University College London, UK)
By Chris Toensing, Jeannie Sowers
By Jan Assmann, Andrew Jenkins
By Marina Rustow
By Duane W. Roller (Professor Emeritus of Greek and Latin, Professor Emeritus of Greek and Latin, The Ohio State University, Columbus, OH)
By Beth Baron
By Salah Ahmed El-Banasi
By Rifa'a Al-Tahtawi, Daniel L. Newman
By Pascal Vernus, Jean Yoyotte
By Joyce Tyldesley
By Shainool Jiwa (Institute of Ismaili Studies, London, UK)
By Robert O. Collins (Professor of History, Professor of History, University of California at Santa Barbara)
By Richard H. Wilkinson (University of Arizona)
By Nature Company, George Hart
By Putnam, James
By Elena Vezzadini
By Barbara Adams
By Zahi Hawass
By Fiona MacDonald, Anne Millard
By Brian Knapp
By Rosemary Rees
By Jane Shuter
By Delia Pemberton