By Waugh, David, Bushell, Tony, Smith, John
By Burt, A.M.
By Castle, Frank
By Bostock, L., Chandler, S., Shepherd, A., Smith, E.
By Cole, W.Owen
By Stephens, Paul Anthony, Crawley, Tim
By B.J. Rouan, B.C. Abrams
By Barlow, Margaret, Philip
By Clarke, Liam
By Austin, Vincent
By Picton, Margaret, Lang, Doreen
By "Vercors"
By Nichol, Jon
By Blundell, Jonathan, McNeill, Patrick, Griffiths, Janis
By Bennett, Olivia
By Keaney, Brian
By Walke, David
By Maddock, Reginald
By O'Casey, Sean, Moffat
By McBride, Patrick J.
By Mathematics in Action Group
By Bental, L.M.
By Graham, Christine
By Milford, Alison, Hughes, Susan, O'Brien, Nicki, Bennett, Victoria Anne
By Bull, J., Humphreys, Graham
By Munton, Gill