By Patilla, Peter
By Ganshof, F.L.
By Sheila Tidmarsh
By Longman
By Atkins, Peter W., Clugston, M. J.
By Evans, Vaughan
By Miriam Simon / Julie Park
By John Stringer et al
By Perry, Haydn
By Shaw, George Wenham
By Martin, David M.
By Cooper, Stan, Deloughry, Will, Hiscock, Mike, Naylor, Philip
By Freeman, W.H., Bracegirdle, Brian
By Naughton, Bill
By Rees, Rosemary, Styles, Susan J., Hook
By Clarke, Peter
By Nicholson, J., Riley, C.
By Marshall, J.
By Scottish Primary Mathematics Group
By Clarke, Peter, Rossiter, Christina
By Unknown
By ALISON JEFFERSON