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 > Letter from C S Shales 53 Cambridge Gardens North Kensington.also attached letter from J A Slater National Health Insurance Joint Committee, acknowlege receipt of letter and enclosure