By Lexus
By Martin Manser
By Delibes, Miguel, Polack, Philip
By Clark, John O. E.
By Unknown
By NO AUTHOR
By Knott, C.G., Comrie, L.J.
By Chambers
By Kirkpatrick, E.M., Schwarz, Catherine
By Schwarz, C.
By Schlesinger, Arthur M.
By McDougall, Susan
By Listed, NO AUTHOR
By Scottish Mathematics Group
By David Edmonds
By Robinson, Mairi
By Harrap
By (Ed.), Chambers
By Arnold, Peter
By Crofton, Ian
By Davidson, George W., etc.
By Bollinghaus, Elaine, Watson, Ann
By Manser, Martin H.
By Gibbs, Michael