By Ross, Stewart
By Joan, Palmer
By Jean, Hayward
By Hook, Jason
By Simpson
By Andrew, Langley
By Pace, Pace, Clive
By Langley, Andrew, Stewart, Roger
By Graham, Rickard
By Bailey, Jill, Oxford scientific films ltd
By Graham, Carrick
By O'Connell
By Triggs, D., Tony
By Place, Robin
By Triggs, Tony D.
By Robert, James
By John, Griffiths
By Thomson, Ruth, Jill, Bailey, Jill
By Jill, Bailey, Jill
By Jessop, JoAnne
By Webb, Iris