Derek Wall (1994-03) Weaving a Bower Against Endless Night: An Illustrated History of the UK Green Party (published March 1994 to mark the 21st anniversary of the Party) ISBN 1-873557-08-6.
Derek Wall (1994-03) Weaving a Bower Against Endless Night: an illustrated history of the UK Green Party (publiziert im März 1994 beim 21-jährigen Jubiläum der Partei) ISBN 1-873557-08-6.