The correspondence consists of c.1100 letters, 1926-61, with the letters after 1959 addressed to Kendon's widow. The correspondents include Lascelles Abercrombie (1 letter, 1931); Ernest Altounyan (surgeon, Aleppo) (17, 1936-51); John Arlott (3, 1944); John Armitage (4, 1940-51); Henry Baerlein (3, 1945-56); Sir Ernest Barker (2, 1948-55); H.E. Bates (1, 1941); Clifford Bax (1, 1948); Adrian H. Bell (11, 1940-47); Ernest A. Benians (8, 1948); Anthony Bertram (2, 1948); Edmund Blunden (16, 1930-46); E.F. Bozman (15, 1936-49); George E. Briggs (3, 1948); N.L. Bright (22, 1944-46); Jacob Bronowski (4, 1941-59); Gerald Bullett (195, 1926-57); Olwen W. Campbell (2, 1946-51); George G. Coulton (11, 1938-46); Walter de la Mare (30, 1930-53); Charles H. Dodd (2, 1944-55); John Drinkwater (1, 1926); Eleanor Farjeon (1, 1951); Mansfield Forbes (1, 1921); Sir Frank Fraser Darling (9, 1939-48); H. Rolf Gardiner (1, 1942); Stephen Haggard (8, 1940-42); Sir George R. Hamilton (16, 1944-51); Maud M. Hart (110, c.1942-53); Christopher V. Hassall (2, 1944); Joan Hassall (3, 1950-54); Philip P. Henderson (5, 1945-49); Geoffrey Johnson (14, 1940-49); Franklin Kidd (2, 1950-56); David Kindersley (1, 1954); Reginald J.L. Kingsford (7, 1937-56); Sir Walter Langdon-Brown (2, 1942); Sir Edward Marsh (1, 1940); John Masefield (3, 1935); Harold J. Massingham (3, 1939-43); Wilson Midgley (John O'London's weekly) (7, 1943-50); Naomi Mitchison (2, 1942); Stanley Morison (1, 1942); Sir John Murray (1, 1943); Ross Nichols (11, 1942-44); C. Denis Pegge (16, 1939-56); Ruth Pitter (1, 1940); J.B. Priestley (2, 1937-47); Sir Sydney C. Roberts (3, 1935-49); Naomi Royde Smith (1, 1935); Siegfried Sassoon (1, 1955); Ronald Searle (3, 1946-52); George Shackle (4, 1948-54); Sir Charles Sherrington (2, 1945-49); Dame Edith Sitwell (2, 1947); Olaf Stapledon (1, 1941); Reynolds Stone (6, 1948); Sir Arthur Tansley (3, 1943); R.S. Thomas (1, 1951); Charles F. Tunnicliffe (2, 1941); James Turner (15, 1942-55); Edmund Vale (2, 1951-52); Laurence Whistler (3, 1948-50); Frank Whitaker (Country Life) (36, 1938-57); Christopher Whitfield (3, 1935); and John Dover Wilson (14, 1945-55).