• Bartley, D. D., Chambers, C. & Hart-Jones, B. (1976). The vegetational history of parts of south and east Durham. New Phytologist, 77, 437.
  • Blackburn, K. B. (1953). A long pollen diagram from Northumberland. Transactions of the Northern Naturalists Union, 2, 40.
  • Chapman, S. B. (1964). The ecology of Coom Rigg Moss, Northumberland. I. Stratigraphy and present vegetation. Journal of Ecology, 52, 299.
  • Clapham, A. R., Tutin, T. G. & Warburg, E. F. (1962). Flora of the British Isles. Cambridge University Press, London .
  • Clapperton, C. M. (1970). The evidence for a Cheviot ice cap. Transactions of the Institute of British Geographers, 50, 115.
  • Clapperton, C. M., Durno, S. E. & Squires, R. H. (1971). Evidence for the Flandrian history of the Wooler Water, Northumberland, provided by pollen analysis. Scottish Geographical Magazine, 87 14.
  • Donaldson, A. M. & Turner, J. (1977). A pollen diagram from Hallow ell Moss, near Durham City, U.K. Journal of Biogeography, 4, 25.
  • Faegri, K. & Iversen, J. (1975). A Textbook of Pollen Analysis. Blackwell Scientific Publications, Oxford .
  • Godwin, Sir H. (1975). The History of the British Flora. Cambridge University Press, London .
  • Hodgson, J. (1827). A History of Northumberland in Three Parts, part II, vol. 1. Newcastle.
  • Jobey, G. (1965). Hill forts and settlements in Northumberland. Archaeologia Aeliana, 4s, 43, 21.
  • Jobey, G. (1966). A field survey in Northumberland. In The Iron Age in Northern Britain (Ed. by A. L. F.Rivet), pp. 89109. Edinburgh University Press, Edinburgh .
  • Jobey, G. (1968). Excavations of cairns at Chatton Sandyford, Northumberland. Archaeologia Aeliana 4 s, 46, 5.
  • Jobey, G. (1974). A Field-guide to Prehistoric Northumberland, part 2. Frank Graham, Newcastle upon Tyne.
  • Lamb, H. H. (1977). Climate: Present, Past and Future. Methuen, London .
  • McKerrell, H. (1975). Correction procedures. Appendix 1B. Conversion of standard 14C dates to tree-ring calendar years. In Radiocarbon: Calibration and Prehistory (Ed. by T.Watkins), pp. 112124. Edinburgh University Press, Edinburgh .
  • Oldfield, F. (1963). Pollen analysis and man's role in the ecological history of the south east Lake District. Geografiska Annalor, 45, 23.
  • Pearson, M. C. (1960). Muckle Moss, Northumberland. I. Historical. Journal of Ecology, 48, 647.
  • Pennington, W. (1970). Vegetation history in the north-west of England: a regional synthesis. In Studies in the Vegetational History of the British Isles (Ed. by D.Walker and R.West), pp. 4179. Cambridge University Press, London .
  • Raistrick, A. (1931). Contributions to the geology of Northumberland and Durham. XI. Glaciation. Proceedings of the Geological Association, 42, 281.
  • Raistrick, A. & Blackburn, K. B. (1931a). The Late-glacial and Post-glacial periods in the north Pennines. III. The post-glacial peats. Transactions of the Northern Naturalists Union, 1, 79.
  • Raistrick, A. & Blackburn, K. B. (1931b). Pollen analysis of the peat on Heathery Burn Moor, Northumberland. Proceedings of the University of Durham Philosophical Society, 8, 351.
  • Rayner, D. H. (1953). The lower Carboniferous rocks in the north of England: a review. Proceedings of the Yorkshire Geological Society, 28, 231.
  • Roberts, B. K., Turner, J. & Ward, P. F. (1973). Recent forest history and land-use in Weardale, northern England. In Quaternary Plant Ecology (Ed. by H. J. B.Birks and R. G.West), pp. 207221. Blackwell Scientific Publications, Oxford .
  • Troels-Smith, J. (1960). Ivy, mistletoe and elm. Climatic indicators-fodder plants. Danmarks geologishe underagelse, IV, 4, 1.
  • Turner, J. (1965). A contribution to the history of forest clearance. Proceedings of the Royal Society, B 161, 343.
  • Warburg, E. F. (1963). Census Catalogue of British Mosses. British Bryological Society, Ipswich.