[Turkey railways and defences]
Great Britain.Army.Royal Engineers.Palestinian Field Survey Company, 524th.
Great Britain.War Office.General Staff.Geographical Section.
[Cairo] : [Survey Directorate, Middle East],
1943.
Compiled by MI(T) GHQ ME. Probably intended to highlight defences of Catalca Lines and Bulair Lines in Turkey-in-Europe. Originally classified Most Secret.