Peter Bally, botanist: collector's notebooks (183) and lists of plants collected in Africa 1939-1975 (PrP 10-0020)
William Bassett, gardener and agricultural superintendent: lecture notebooks whilst studying at Kew Gardens 1924-1930 (PrP 10-0036)
Frederick George Harcourt, gardener and agricultural superintendent: letters, photographs and cuttings rel to time in Antigua and Dominica c1920-1970 (PrP 10-0030)
Raymond M Harley, botanist: collecting notebooks, collecting papers and lists of specimens c1960-1989 (PrP 10-0013)
Harold Musk, gardener and agriculturalist: letters, photographs, certificates and books rel to studies at Kew and time as District Agricultural Officer, Tanganyika, Tanzania 1925-1935 (PrP 10-0002)
Charles Samuel Pollock Parish, chaplain and botanist: drawings of orchids 1856-1874 (PrP 10-0006)
William Wilson Saunders, entomologist: photograph album of Agaves 1872 (PrP 10-0004)
Ernest Henry Wilson, botanist: photograph album of vegetation and trees of Formosa 1917-1918 (PrP 10-0033)