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 > Plan by Mark Sykes for night operations at Huttons Ambo, with notes and comments by Cpt. Edwards, 5th Battalion, Alexandra Princess of Wales Own, Yorkshire Regiment (4 items)