Papers of Richard Blaker comprising: letters to Ann Mayo Owen (later Blaker), 1935-6 letters to Mrs Blaker from various correspondents, with copies of some letters from her, 1938-48, 1967 letters from Louis Golding, mainly to Blaker and his wife, c. 1918-47 letters to Blaker from various correspondents, including his wife, 1935-8 letters from…