By Lollo, Bob
By Walsh, Gary
By McCabe, Edward R.B.
By Waites, Gillian
By DK
By Dorf, Richard C
By Steve Jenkins
By Butler, John M.
By Brouns, Fred
By Marianne Taylor
By Alcamo, I. Edward
By Kalat, James W.
By Green, Don, Perry, Robert
By Paul, Edward L., Atiemo-Obeng, Victor A., Kresta, Suzanne M.
By Bretherick, L., Urben, Peter
By Smallwood, Ian
By Kuhse, Helga, Singer, Peter
By Trevor Day
By de le Bédoyère, Camilla
By Fortey, Richard
By Ladybird
By Levine, Peter A., Maté MD, Gabor
By Oxlade, Chris.
By BBC
By Brown, T. A.
By Scott, Thomas, Eagleson, Mary
By Cadogan, Alan, Ingram, Malcolm
By Wilkins, Robert, Cross, Simon, Megson, Ian, Meredith, David
By Richard Beatty
By Tim Harris