By Green, Joel B.
By Baggott, L. M.
By Waters, Mary
By Griffiths, A. Phillips
By Hodge/Pedoe
By Golby, J.
By Heritage, J.
By Guiguin, Marc
By Ur, Penny
By Gourvish, T. R.; Wilson, R. G.
By Hausman, Daniel M.
By Richard Marsden
By Anglesey Language Studies Centre
By School Mathematics Project
By Jones, Leo, Alexander, Richard
By Marsden, Richard
By Jones, Mary, Jones, Geoff, Mary Jones, Geoff Jones
By Eagle, Ruth
By Gairns, Ruth, Redman, Stuart
By Mary Beard
By Pasachoff, Jay M., Covington, Michael A.
By Laver, John
By Bunce, Vincent
By Beaumont, Andy, Herrington, Jane, Wheatley, Rob
By Winocour, Peter H., Marshall, Sally M.
By Littlejohn, Andrew
By Ellis
By Malcolm Barber
By Davies, P. C. W.