Title: Ukazanīi︠a︡ o mi︠e︡rakh preduprezhdenīi︠a︡ vozmozhnosti protivnikov perekhvatyvat telefonnye razgovory, vedushchīesi︠a︡ v raspolozhenīi nashikh voĭskovykh pozit︠s︡īĭ
Subjects: Military Communications, Wiretapping, World War, 1914-1918
Places: Russia