By Goldberg, Philip
By Easwaran, Eknath
By Trevelyan, George
By Barnatt, John
By Graves, Tom
By Rivers, Patrick
By Griffiths, Maurice
By Winton, John
By Louis Northcott Flawn
By Smart, Ted
By "Althea"
By Walker, Benjamin
By Bennett, Colin
By Summers, George J.
By Fidlow, Michael
By Pallas, Norvin
By Nelson, Esther L.
By Diego Dalla Palma
By Colligan, Doug, Teresi, Dick
By Haralambos, Michael, Heald, R.M.
By Meade, Frank H.M., Zimmermann, Arnold W.
By Coppock, J. T.
By Ainley, Stephen
By The Mathematical Association
By Trevor Terry, Margaret Linton
By Watson, T.F., Quinn, T.A.
By David E. Fletcher, Joseph Ibbotson
By Gardiner, M. Deena