By CGP Books, CGP Books
By CGP Books
By Howard, A.E., etc.
By Patilla, Peter
By Scottish Primary Mathematics Group
By Medcalf, Lesley
By Metcalf, Paul, Courcy, Jayne de
By Dian Curtis Regan
By Payne, Raymond Walter, Pennycuick, D.B.
By Koshy, Valsa
By Primrose, Alison, Bond 11+
By Autumn Publishing
By Askew, Mike
By Broadbent, Paul
By Sinclair, Andrew
By Fiona C. Mapp, Maria Edmonds
By Speed, Brian
By Various
By Sherran, Peter
By Knapp, Brian
By Clarke, Shirley, Silsby, Barry
By Igloo Books Ltd
By Hamilton, Neill
By 2003 papers