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 > Printers and Military Publishers Charing Cross London. William Clowes & Sons. Regarding a book for the Training and use of Officers, W.C.O.s and men of the Territorial Forces.