By Glasper, Edward Alan, Ireland, Lorraine
By D. Watters, I. Wilson, R. Leaver, A. Bagshawe
By Franklin, Loretta
By Whittaker, Norma
By Holmes, Carol
By Briggs, Stephen
By John Hubley
By Wilkie, Kay, Burns, Iain
By Watterson, A.
By Tilbury, Derek
By Empson, Dr Janet, Nabuzoka, Dr Dabie
By Ann Ashworth, Ann Burgess
By Baggott, Rob
By Hogston, Richard, Simpson, Penelope M.
By Cartwright, John
By Kader Parahoo
By West, William N.
By Freshwater, Dawn, Bishop, Veronica
By Roberts, Dr David
By Open University
By Sapsford, R. J., Abbott, Pamela
By JACOBS M
By AVELINE
By Heap, Michael
By Chalmers, A.F.
By Black, Nick; Boswell, David; Gray, Alastair; Murphy, Sean & Popay, Jennie, Nick, etc.