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 > Postcard from J. A. Staveley, 5th Battalion, Alexandra, Princess of Wales's Own (Yorkshire) Regiment, Kirklea, Driffield, asking Sykes to read an article in this weeks “Field” about “Horses for the Army”.