By Milner, Steve, Witherick, Mike, Steve Milner, Mike Witherick
By SPMG, Scottish Primary Maths Group
By Findlater, Richard, etc.
By Rees, Rosemary
By McNab, Rosi
By Robert Glen
By Cole, Mr Gareth, Jolly, MR Peter, Kent, Mr David, Pledger, Keith
By England, Nick, Shea, Mary, Mary Shea
By Robert Browning, C Graham, J Harper
By Thomas, R.S., rev R.S., Thwaite, Anthony, Thomas. R.S.
By BBC Radio 4
By Ibsen, Henrik
By Margaret Whinney
By Giddens, Anthony
By Maley, Alan, Duff, Alan, Alan Maley, Alan Duff
By David Jolly, david-jolly
By School Mathematics Project
By Jones, Leo, Alexander, Richard
By Cholij, Mark, Mark Cholij
By Christopher Paolini, Paolini, Christopher
By Cooke, Alistair, Alistair Cooke