Papers of the Sykes family of Sledmere > Papers of Sir Mark Sykes (1879-1919) (Second deposit of Papers of the Sykes family) > Correspondence > File of general correspondence. Letters and telegrams to Mark Sykes, including one letter from Winston Churchill > Letter from J J Green, Postmaster, Pickering, requesting ‘one of your humorous sketches’ at a concert for the Rowland Hill Benevolent Fund.