1. A. Sutcliffe, “ Introduction: British Town Planning and the Historian” in British Town Planning: The Formative Years, ed. A. Sutcliffe, 2-16 (Leicester: Leicester University Press, 1981).
2. I. Gault, “ Green Belts and the Development Plan System” in Green Belt Policies in Development Plans, Working Paper Series Vol. 41 (Oxford: Oxford Polytechnic Department of Town Planning), 1->17.
3. D. Thomas, London's Green Belt (London: Faber and Faber, 1970); and M. Miller, Raymond Unwin: Garden Cities and Town Planning (Leicester: Leicester University Press, 1991), 189->209.
4. G.E. Cherry and A. Rogers, Rural Change and Planning (London: E&FN Spon, 1996), 190->92.