By Hans Kung
By Roger Scruton
By Sebastian Elsasser (Assistant Professor, Institute of Oriental and Islamic Studies, Assistant Professor, Christian-Albrechts-Universitat Kiel, Kiel, Germany)
By Francis Robinson (Professor of South Asian History and Vice Principal, Professor of South Asian History and Vice Principal, Royal Holloway, University of London)
By Shainool Jiwa (Institute of Ismaili Studies, London, UK)
By Yasser Tabbaa
By Paul Berman
By Yann Richard, Antonia Nevill
By Kevin Dwyer
By J.D.Y. Peel
By Ronald Segal
By Allan G.B. Fisher, Humphrey J. Fisher
By Martin Evans, John Phillips
By Amin Maalouf
By Michael J. Mazarr
By Rifa'a Al-Tahtawi, Daniel L. Newman
By Michael Gomez
By Salah Ahmed El-Banasi
By Raymond William Baker
By Larbi Sadiki
By Patrick D. Gaffney
By Peter Oborne
By Yossef Rapoport, Emilie Savage-Smith
By William Gervase Clarence-Smith
By Hugh Kennedy
By P. M. Holt, A. K. S. Lambton, B. Lewis
By Robert Irwin
By Paul E. Lovejoy
By Alexander Thurston