25. File 3414/1906 Pt 5 'Telegraphs:- N. Persia. Tehran-Khanikan line; Tehran-Shahrud line; I. E. Tel. Dept's undertakings in N. Persia' Date: 1906/1911 Language: English Geographic region: KhanikinTehranShahrud
26. File 4535/1928 Pt 14 ‘Persian Gulf: Political Control: 1. Telegraphic Communication between British Authorities in the Persian Gulf. 2. Conditions under which Pol. Rs. P. Gulf may communicate with A.O.C. Iraq.’ Date: 1928/1931 Language: English Geographic region: Persian Gulf
27. File 4535/1928 Pt 7 ‘Persia. Telegraphs’ Date: 1930/1931 Language: English Geographic region: Persia
28. Copy correspondence between the East India Company Court and the War Office on supplying field telegraph equipment to the forces in the Persian Gulf Date: 1856/1857 Language: English