Contains the original diaries of G. Sherriff, detailing his expeditions with Frank Ludlow in Bhutan and Tibet (1933-1934, 1936-1938, 1940, 1949). There are loose leaf sheets interleaved between the pages of some of the diaries. These contain a variety of letters, clippings, itineraries, plant lists and cost lists.

Some diaries contained notes left in place by Dr. HR Fletcher when researching for his book 'A Quest Of Flowers: The Plant Explorations of Frank Ludlow and George Sherriff" (1976).