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 Captain R.M. Gladstone, The National Service League, The Hollins, Grosmont, Yorks., asking permission to publish an article which had recently appeared in the Yorkshire Post.