This collection contains the personal and professional papers of Ellen Delf-Smith, 1895-1974. It comprises papers relating to Westfield College; including Career Developments 1906-1922; Teaching papers 1934-1947; Retirement 1948; Contact with ex colleagues and students 1917-1948; Continuation of the legacy of Ellen Delf-Smith 1955-1964; and 90th Birthday Celebrations 1973. Research and Academic Interests; including Publications 1940-1950; Laboratory Work and Experiments 1926-1966; Field Work and Samples 1915-1932; Secondary Research 1936-1938; and Academic Interests 1912-1974. Papers from work in South Africa; including Field Work 1920; and Letters from colleagues in South Africa 1921-1923. Personal memorabilia and ephemera; including School and College 1895-1934; Marriage 1926-1973; Diaries 1925-1948; Photographs and Drawings c.1906-c.1935; and a Church Donation 1976.