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• The Great Rift Valley : being the narrative of a journey to Mount Kenya and Lake Baringo : with some account of the geology, natural history, anthropology and future prospects of British East Africa
  Author(s): Gregory, J. W.
• The first crossing of Spitsbergen : being an account of an inland journey of exploration and survey, with descriptions of several mountain ascents, of boat expeditions in Ice Fjord, of a voyage to North-East-land, the Seven Islands, down Hinloopen Strait, nearly to Wiches Land, and into most of the fjords of Spitsbergen, and of an almost complete circumnavigation of the main island
  Author(s): Gregory, J. W. ,  Conway, William Martin
• Evolution of the Essex Rivers and of the lower Thames.
  Author(s): Gregory, J. W.