By Unnamed
By Adetokunbo Lucas (Harvard University, cambridge, Massachusetts, USA), Herbert Gilles (University of Malta, Msida)
By Collins Dictionaries
By Nash, Edward L.
By Frank Wilczek
By Jorgensen, Nik
By Fred Schonell, Phyllis Flowerdew
By CGP Books
By Kelly, Dave
By Ellerby-Jones, Louise, Donald, Moira
By Oliver, Karon, Ellerby-Jones, Louise, Donald, Moira
By Carole Waugh, Viv Thompson, Helen Robinson, Fionnula Swann
By Rob Webb, Hal Westergaard, Keith Trobe, Liz Steel
By Marie-Anne O' Dwyer, Annalise White
By Rob Webb, Keith Trobe
By Stafford-Brown, Jennifer
By Keene, Michael
By Francis, Andre
By Paul Rutter (Senior Lecturer, Pharmacy Practice Division, University of Portsmouth, Portsmouth)
By Clark, Andre, Andre Clark
By Neill, Hugh, Quadling, Douglas
By Fiona Campbell, Don Harper
By Rayner, Shoo
By Duncan, Tom
By Ferriby, David, Hewitt, Tony, McCabe, Jim, Mendum, Alan
By Nigel Messenger, E. M. Forster
By Hankin, Liz, Sutton, David, Dunn, David
By Neal, Steve