1. Andrew, R. 1984 A Practical Pollen Guide to the British Flora, QRA Technical Guide No. 1, Cambridge: Quaternary Research Association.
2. Processes of soil degradation: a pedological point of view;Ball,1975
3. Barker, G. 1985 Prehistoric farming in Europe, Cambridge: Cambridge University Press.
4. Barnatt, J. 1987 'Bronze Age settlement on the gritstone East Moors of Derbyshire and South Yorkshire', Proceedings of the Prehistoric Society 53, 393–418. https://doi.org/10.1017/S0079497X00006307
5. Bell, M. 1981 'Valley sediments and environmental change' in M. Jones and G. Dimbleby (eds) The Environment of Man: The Iron Age to the Anglo-Saxon Period, Oxford: BAR Brit. Ser. 97. 75–91.