By Burton, .
By Webb, C., Webb, Christine
By Brittain, Victoria, Simmons, Michael
By Steve Scrutton
By Lenman, Bruce
By Open University
By Burton, Graeme
By Curran, James, Gurevitch, Michael
By Tony, Walter
By Alexander Fulton, Fulton, Alexander
By Dr Myra Macdonald
By O'Sullivan, Tim, Dutton, Brian, Rayner, Philip
By Maidment, Richard
By Winter, David
By McDowell, Linda
By Chalke, Steve
By Abbott, David
By Kevin Williams
By Jostein Gripsrud
By Newbold, Chris
By Edwards, Mike, Brigley, Jude, Connell, Barbara
By Lawson, Tony, Garrod, Joan
By Tim O'Sullivan, Brian Dutton & Philip Rayner
By Clark, Vivienne, Baker, James, Lewis, Eileen
By Kneale, Pauline E
By Coolican, Hugh, Coolican, Hugh, Hugh Coolican
By Haddon, Celia
By Hacking, Heather
By Cloke, Paul, Crang, Philip, Goodwin, Mark, Paul Cloke, Philip Crang, Mark Goodwin
By Jones, Tanya, Fraser, Peter