By Eagar, Patrick, Eager, Patrick.
By Frances Edmonds, Edmonds, Francis.
By Geoffrey Whitehead
By Ken Hoyle, Hoyle, Ken
By Dimond, Peter
By King, P.
By B. Cutting, J. Cutting, Cutting, B., J.
By Christine, Young
By John Lockyer
By Bill Boyle, Boyle, Bill
By Jennifer Beck
By Combined Author Team
By Scottish Primary Mathematics Group
By Scottish Primary Maths Group SPMG, SPMG, Scottish Primary Maths Group
By Unknown
By Lynne Burgess, Anne Brindley, Bryan Brindley
By Peter Patilla, Paul Broadbent, Lynne Burgess, Thelma Page, Patilla, Peter, Broadbent, Paul, Burgess, Lynne, Page, Thelma
By Paul Broadbent
By Kate Frood, Sarah Deale, Frood, Kate, Deale, Sarah
By Kate Frood, Sarah Deale, Frood, Kate, Deale, Sarah, O'Connell, Nina, etc.
By Peter Clarke, Christina Rossiter, Clarke, Peter, Rossiter, Christina
By Peter Clarke, Clarke, Peter