By W.Edward Allen
By David Sainsbury
By O.M. Radostits, D.C. Blood, K.E. Leslie, J. Fetrow
By Douglas Powell, William Leiss
By Andrew F. Fraser, Donald M. Broom, Donald F. Broom
By Paul R. Greenough, A. David Weaver, Finlay J. MacCallum
By Andrew W. Speedy
By Allan Fraser, J.T. Stamp
By John Bryn Owen
By Edward Hart
By Marthe Kiley-Worthington
By James Herriot
By Philip Lymbery
By Dave Holderread
By Board on Agriculture, National Research Council, Assembly of Life Sciences, Board on Agriculture and Renewable Resources, Food and Nutrition Board
By Edward Hyams
By Rosamund Young
By Janet White
By Amanda Owen
By Ilse Koehler-Rollefson, Fred Provenza
By D. B. Plummer
By MARK EVANS, Wendy Turner
By Thomas Almeroth-Williams
By Peter McDonald, R Edwards, J.F.D. Greenhalgh, Colin Morgan, Liam Sinclair
By Temple Grandin
By Jerome D. Belanger, Sara Thomson Bredesen
By Chris Graham
By Jemima Parry-Jones, MBE (Author)
By Jeremy Evans, Sheila Berrett
By Donald Broom (Cambridge University, UK), Andrew Fraser (formerly Memorial University of Newfoundland, Canada)