1. 1)Azuma, H. et al. (2001) Towards "Garden cities of To-morrow": A history and future of Howard's vision, Shokokusha, Tokyo.
2. 2)Booth, P. (2003) Planning by consent: The origins and nature of British Development Control, Routledge, London.
3. 3)CPRE (2001) Green Belts... Still Working... Still Under Threat CPRE Campaign leaflet CPRE, London.
4. 4)Elson, M. J. (1986) Green Belts: Conflict mediation in the urban fringe, Chapter 1, Heinemann, London.
5. 5)London Society, The (1921) London of the Future, Webb, A. (ed. ) pp. 235-251, London Society, London.