Cairo [Civil security scheme] (1942)
Civil security scheme, Cairo, MDR Misc 875. Overprinted on Outline map of Cairo, published by Survey of Egypt. Overprint shows Roads maintained open for military traffic" and "Potential centres of disturbance". Originally classified Secret."
The British LibraryGreat Britain. Army. Royal Engineers. Field Survey Company, 512th.
1942
[Cairo] : [Survey Directorate, Middle East]