• Archer, D. (1992) Land of singing waters: Rivers and great floods of Northumbria. Spredden Press, Stocksfield
  • Browning, K. A. and Monk, G. A. (1982) A simple model for the synoptic analysis of cold fronts. Q. J. R. Meteorol. S., 108, pp. 435452
  • Buchan, A. (1867) Interruptions in the regular rise and fall of temperature in the course of the year, as shown by observations made in Scotland during the past ten years, 1857–66. J. Scott. Meteorol. Soc., 2, pp. 416
  • Carpenter, H. (1978) J. R. R. Tolkien: A biography. Grafton paperback edition, Allen and Unwin, London
  • —(1981) The letters of J. R. R. Tolkien. Houghton Mifflin Company, Boston, for Allen and Unwin, London
  • Curry, P. (1997) Defending Middle-Earth. Floris Books, Edinburgh
  • Lamb, H. H. (1950) Types and spells of weather around the year in the British Isles: Annual trends, seasonal structure of the year, singularities. Q. J. R. Meteorol. Soc., 26, pp. 393429
  • Pedgley, D. E. (1996) A remarkable winter cold front hailstorm, 22 February 1995. Weather, 51, pp. 330341
  • Pike, W. S. (1994) The remarkable early-morning thunderstorms and flash-flooding in central southern England on 26 May 1993. J. Meteorol., UK, 19, pp. 4364
  • Tolkien, J. R. R. (1966) The Hobbit, third edition. Allen and Unwin, London
  • —(1969) The Lord of the Rings, India paper edition. Allen and Unwin, London