25. File 252/1910 Pt 2 Persian Gulf: lighting and buoying; buoyage of Shatt al-Arab Date: 1911/1911 Language: English Geographic region: BussorahFaoShat-el-Arab
26. File 3516/1914 Pt 5 'German War: Persia; situation in Arabistan 1915' Date: 1915/1916 Language: English Geographic region: ديلمانقصر شيرينبلاد الرافدينبلاد فارسكربلاءعربستانالأهوازنهر كارون
27. File 3540/1916 'MESOPOTAMIA 1916-17 PORTION' Date: 1915/1917 Language: English Geographic region: BasraMesopotamiaBahrain
28. File 5238/1919 'Persia:- Mohammerah. Gift of guns and river steamers to the Sheikh of Mohammerah' Date: 1918/1927 Language: English Geographic region: Mohammerah
29. File 7190/1920 Pt 1 ‘Persia:- Situation in Arabistan. Bakhtiari crisis. Sheikh of Mohommerah and Persian Govt.’ Date: 1920/1923 Language: English Geographic region: PersiaMohammerah