Papers of the Sykes family of Sledmere > Papers of Sir Mark Sykes (1879-1919) (Second deposit of Papers of the Sykes family) > Papers relating to the Sykes-Picot Agreement, the Zionist movement and the British policy in Islamic countries > Despatch [by Mark Sykes ?] from Aden about military situation; Turkish prisoners; public feeling in Aden; Imam Yahya; Sheikh Idris; Arab Caliphate; policy