By Feather, John
By Booth, Andrew, Walton, Graham
By Carmel, Michael
By Lancaster, F. Wilfrid
By David Smith, etc., David Evans, Alan Poulter (Loughborough University of Technology), Malcolm Shaw (Leeds Metropolitan University)
By James E. Herring
By Sandy Norman
By John Feather
By J.E. Rowley
By Peter Griffiths
By G.P. Cornish
By A.C. Foskett