Research material and correspondence relating to Speak you so gently, 1940, c. 1947-1958 Unit ID: 28 Date: 1940, c. 1947-1958
Research material, correspondence, drafts and notes, 1940-1946, 1961 Unit ID: 30 Date: 1940-1946, 1961
Research material, drafts, notes, correspondence and other papers, 1967-1972 Unit ID: 37 Date: 1967/1972