By Williams
By P. Jackson
By John Ingham, Roy Westwood, Dave Coster, Dave Costner
By Matthew C. Ehrlich
By Hopkinson, Frank
By Herbert Inhaber
By Jose Galvez
By Lewis Mumford
By Hilary P. M. Winchester
By Otto R. Mayr
By National Research Council, Division on Earth and Life Studies, Board on Agriculture and Natural Resources, Committee on Animal Nutrition, Subcommittee on Dog and Cat Nutrition
By Waring, Chris
By Scientific American
By Mcknight, N., Godfrey, J.
By William Jr. & E. B. White. Strunk, William Strunk, E. White
By T. H. Jones
By Chris Cardy
By Bruce, Anthony, Cogar, WILLIAM
By Karen Bush, Claire Colvin
By Smith, Jay
By Surinder Virdi (South and City College Birmingham, UK), Roy Baker (formerly of City of Wolverhampton College
By John Berry, Patrick Wainright
By James W. Hutchinson
By Storm Dunlop, Wil Tirion, Royal Observatory Greenwich, Collins Astronomy
By Great Britain: Agricultural, Development and Advisory Service, Great Britain: Ministry of Agriculture, Fisheries and Food
By Jim Waller (CABI Egham, Surrey, UK), Jillian Lenne (Consultant in Agricultural Research and Development, UK and Editor in Chief, Field Crops Research), Sarah Waller
By David Chappell
By Maggi Savin-Baden (University of Coventry, UK Conventry University, Ladywood, Birmingham, England UK), Claire Howell Major (University of Alabama, USA)