Papers relating to her life and career, 1904-1948, including correspondence and notes, 1904-1906, mainly relating to experiments by Berridge on the fertilisation of Carpinus Betulus (European Hornbeam), and the publication of a paper on the subject by the Linnean Society, notably including correspondence with Professor Margaret Jane Benson, Head of the Botany Department at Royal Holloway College, and a copy of 'Contributions to the embryology of the Amentiferae part II: Carpinus Betulus' by Berridge, Benson and Elizabeth Sanday, [1905]; correspondence, 1912, between Berridge and Professor Margaret Jane Benson, on the collection of new flower samples and the prospective reading of their Amentiferae paper in Dundee; research notes by Berridge, 1910-1948, on a variety of botanical subjects including Carpinus and agglutination, mainly comprising notebooks, notes on articles and experiment notes; notebook, 1948, belonging to Professor Elizabeth Marianne Blackwell, Head of the Botany Department at Royal Holloway College, containing obituaries of Berridge from the Proceedings of the Linnean Society, 26 Nov 1948, and Nature vol 161, 17 Jan 1948, with a list of Berridge's papers.

Papers of Reginald Ruggles Gates, 1896-1969, including diaries and research notebooks, papers relating to Botanical Biology; Gates' research files; photographs; appointment diaries; correspondence; papers relating to professional memberships and conference material; press cuttings and published articles on his research interests.

Including diaries and research notebooks, 1906-1962. Papers relating to Botanical Biology, an unpublished work by Gates, including manuscript notes, statistics, photographs and plant seeds. Research files, including draft papers by Gates such as notes from publications, articles, lecture transcripts, lecture notes, chapters of books, book reviews and others. Also photographs, articles, tables of data on physical characteristics of various peoples, graphs and charts, press cuttings and correspondence, on a variety of subjects including botany, oenothera, ethnic groups, race, genetics, biology, anthropology and Gates' anthropological studies in Australia, Canada, Cuba, India, Japan, Mexico, New Guinea, Okinawa, South Africa and Taiwan. Photographs from Gates' travels to Algeria, the Amazon river, Andamanese Islands, Australia, California, Canada, Canadian Arctic, Cuba, England, Gibraltar, Italy, India, Japan, Kenya, Morocco, New Guinea, Russia, Sicily, South Africa, South Rhodesia, Spain, Swedish Lapland and Tunisia; photographs of plant life, particularly oenothera; lecture slides; photographs used for publication in various books and articles by Gates; photographs of human and ape skulls and skeletons, photographs of people suffering from genetic diseases and personal photographs. Appointment diaries, 1921-1962. Personal and professional correspondence, including personal financial papers, 1903-1962. Papers relating to professional memberships and conference material, 1922-1962; press cuttings collected by Gates, 1915-1962 and printed material collected by Gates and his widow, 1928-1966, on subjects relating to his research including oenothera, botany, race, blood groups, physical anthropology, human biology, genetics, prehistoric man and population.