By Hartley, P.J., Evans, A.Wynn-
By Francis, A.
By John Higgo, David Hobbs, Wally Milner, Martin Perkins, David Tall, Joe Watson, William Wynne Wilson
By Farrow, L., Llewellyn, S.
By Murray, Les
By Mathematical Association
By M.F. Fuller, D. A. Lury
By Schumann, Heinz, Green, David
By Held, Wolfgang, Barton, Matthew
By Runion
By Dembo, Amir, Zeitouni, Ofer
By Swokowski, Earl W.
By Faires, J. Douglas
By William Mendenhall, Richard L. Scheaffer
By Swokowski, Earl
By Richard L.Burden, J Douglas Faires
By Flood, Dennis K.
By Schoen, Harold L.
By Lindquist, Mary M.
By Bohrnstedt, George W., Knoke, David H.
By Weisbecker, Henry
By Fogiel, Max
By Sir Isaac Newton
By ROTA, GC
By APOSTOL, TM
By Honsberger, Ross
By Walser, Hans, Pedersen, Jean, Hilton, Peter
By Ore, Oystein