Papers of Colin Graham Trapnell, 1926-1970, comprising four series. The first (CGT/1) consists of Trapnell’s collecting notebooks in Zambia; the second of one file of correspondence sent and received by Trapnell, mostly relating to his work CGT/2); the third series comprises notes, reports and surveys on a variety of topics, such as soil, grazing and South African vegetation (CGT3). The fourth and final series (CGT/4) contains photographs of Zambia, Kenya and Malawi recording the work carried out by Trapnell, and showing vegetation, agricultural practices and also native people and habitations.

Correspondence of and papers relating to Sir Bernard Augustus Keen, 1931-1982, comprising correspondence between Keen and Sir (Alfred) Daniel Hall, 1931, then Director of the John Innes Horticultural Institution, relating to the setting up of the Agricultural Research Council and the offer to Keen of the position of Secretary, also including a letter from Hall commenting on Keen's report on Indian agriculture; letters of farewell to and from Keen and press cutting on his retirement from East Africa and return to Britain, 1954; letters from Sir (Edward) John Russell, 1962-1963, relating mainly to Russell's history of agricultural science in Britain, but also recalling Keen's appointment at Rothamsted in 1913 and [Ernest?] Rutherford's praise of his book The Physical Properties of the Soil (1931); letters from G D H Bell on Keen's retirement as Editor, Journal of Agricultural Science, 1965; letter of condolence from Royal Meteorological Society on Keen's death, 1981; Sir (Herbert) Charles Pereira's memoir of Keen for Biographical Memoirs of Fellows of the Royal Society, vol xxviii (1982), with related correspondence of Pereira, 1982.

Obituaries of Cole, 1994, taken from the Transactions of the Institute of British Geography, the Independent, the Times, and the Royal Holloway and Bedford New College Journal. Papers relating to a Bedford College geobotanical project [Project Gamma for Trust Mining] in Botswana, 1967-1970, including receipts and financial documents, 1967-1969, concerning expenses for the land rover used in the project; copies of Geobotanical Transect Sheets and Plant Ashing Sheets, 1968-1970; carbon book, 1970, containing a monthly report by Cole on the progress of the project during March, including work completed, summary of results, lists of plant and soil samples, maps, plans and photographs; carbon books, 1969-1970, belonging to André Boshoff and containing copies of correspondence relating to the analysis of soil and plant samples and reports on the progress of the project from Feb 1969-Feb 1970; field maps of Mwaku Pan, Botswana, [1968-1970].