By Les Beletsky
By Barbara Taylor
By Siddarth Shrikanth
By Inland, David Pietro Serrano, Alejandro Alonso Diaz
By Creina Bond, Roy Siegfried, Sir Peter Scott, Peter Johnson
By John Townsend
By Thomas Gold, F. Dyson
By Peter Senge
By G. Lisinska, W. Leszczynski
By Alastair H. Fitter (University of York, U.K.), Robert K.M. Hay (Scottish Agricultural Science Agency, EDINBURGH, Scotland)
By Dunn, Christopher
By Mark Watson
By DK
By Tony Hare
By Paul S. Giller
By Peter Marren
By Echlin, Edward P.
By Patricia Whitehouse
By Diane Ackerman
By Thunberg, Greta
By A. G. Cairns-Smith
By Richard Karban, Pamela Mikaela Huntzinger
By RICHARD B. PRIMACK
By David Middleton
By Harman, Graham
By Ben Goldfarb
By David Arnold (School of Oriental and African Studies, University of London)
By Emilio F Moran, Rhonda Gillet-Netting
By Eugene Linden