By Isidore Okpewho, Carole Boyce Davies, Ali A. Mazrui
By Michael A. Gomez (New York University)
By Erik T. Gilbert, Jonathan T. Reynolds
By Patrick Manning (Professor, University of Pittsburgh)
By Bill Berkeley
By Luc de Heusch
By Ivan Karp, Charles S. Bird
By Stuart Laing
By Patrizia Palumbo, angelo del Boca, giulia barrera, Barbara Sorgoni, Nicola Labanca
By Michael Bratton (Michigan State University), Nicholas van de Walle (Michigan State University)
By Asmarom Legesse
By Jeff Pearce
By James L. Newman
By Karin Barber (University of Birmingham)
By Unesco, Niane, D.T.
By Ashraf Abdelhay, Yonas Mesfun Asfaha, Kasper Juffermans
By Tudor V. Parfitt
By Christopher Ehret (Royalty Account)
By J Brown
By Martin Meredith
By Glory Edim
By Terry Deary
By Professor James Walvin
By Nelson Mandela
By Gordon Harris
By Howard Morley Sachar
By Alex Thomson
By Abbas Abdelkarim, Tony Barnett
By Geraldine Pinch (Oriental Institute, Oxford University)