By Smith, P. J., Rymer, H.
By Open University Course Team, Blakes, Stephen, Argles, Tom
By Harris, N., Whalley, J.
By Rogers, Nick, McGarvie, Dave
By Open University Course Team, Drury, S. A., McGarvie, Dave, Parkinson, Ian, Harris, Nigel
By Besset, R., etc.
By Birch, David, et al
By Allen, Roger, etc., et al
By Laurence, Anne, Emsley, Professor Clive, Marwick, Arthur, Purdue, Bill, Lentin, A., Kekewich, Margaret L.
By Emsley, Professor Clive, Marwick, A., Mombauer, Annika, Williams, Cheri
By Open University Course Team
By Warr, Kiki, Smith, S.
By Johnson, D.
By MU120 Course Team
By Best, Alan
By Margolis, Bob
By Allen, Ann
By Coates, M.