By Mays, James Luther
By Houlden, J.
By Butler, Ivan
By D.N. Marshall
By Perry
By Onora O'Neill
By Allen Buchanan (University of Arizona), Dan W. Brock (Brown University, Rhode Island), Norman Daniels (Tufts University, Massachusetts), Daniel Wikler (University of Wisconsin, Madison)
By Nee, Watchman, Kinnear, Angus I.
By Robert Davidson
By John Austin Baker
By William Purcell
By Jenkins, Daniel
By Hay, David
By Melvyn.R. Thompson
By Peter Cornwell
By Chapman, Rex
By Rollo May
By Theresa Cheung
By Richard Swinburne
By Dominian, Jack, Peacock, A.R.
By David L. Edwards
By Jack Dominian, Hugh Montefiore
By Wolf-Dieter Zimmermann and Ronald Gregor Smith
By H. Vahid
By Bowden, John
By Christian B. Miller (Wake Forest University)
By Michaels, David
By Sproxton, Vernon
By Keith Ansell-Pearson (University of Warwick)
By Roger Scruton