By Eastaway, Rob, Rob Eastaway, Jeremy Wyndham
By Julian Simon
By Paul Krugman (City University of New York)
By R. Weissberg
By Collocott, T.C., Thorne, John
By T. L. Tsim, Bernard H. K. Luk
By Mayer-Schonberger, Viktor, Cukier, Kenneth
By Chris Cardy
By David K. Whynes
By Paul Sweeting (University of Kent, Canterbury)
By Plato Plato
By R.A. Reed, Rod Shaw, Ken Chatterton
By Edward S. Curtis, The Library of Congress
By Karen Bush, Claire Colvin
By Cook, Dr Chris, Waller, David
By Elizabeth Urch
By Sherman K. Stein
By Harris, Robert, Robert Harris
By Various
By Grolier Educational
By Institute of Ideas, Jenkins, Tiffany
By Honnor, Sylvia, Mascie-Taylor, Heather
By Lonely Planet
By Richard A. Krueger, Mary Anne Casey
By Gray, John
By Michael Bloor, Jane Frankland, Michelle Thomas, Kate Stewart
By Gill Walt
By Gillian Pascall
By Jane L. Fielding, Nigel Gilbert