By Berryman, Julia C., Hargreaves, David J., Hollin, Clive R., Howells, Kevin
By Hardman, David
By Cain
By Kaptein, A. A., Weinman, John, French, David, Vedhara, Kavita
By Gale, Anthony
By Forshaw, Mark
By Hewstone, Miles, Stroebe, Wolfgang, Jonas, Klaus
By Martin Herbert
By Stephen White, Peter Evans, Chris Mihill, Maryon Tysoe
By Fraser N. Watts