1. 'File 8/23 MUSCAT STATE AFFAIRS: POLITICAL SITUATION IN THE INTERIOR – (Dhahirah, Map of Dhahirah, Imam occupies Ibri)' Date: 1941/1943 Language: English Geographic region: IbriDhahirah
2. ‘File XXVIII/9 Internal Politics and Relations with Oman Sohar, Sharaqiah, Nizwa and Baraimi News. 1925 to 1931.’ Date: 1925/1931 Language: English Geographic region: الشرقيةنزوىعبريصحارالبريميالظاهرةالجبل الأخضرعُمان المُتصالحة
3. PZ 236/41 'Disturbances on the Trucial Coast.' Date: 1941/1941 Language: English Geographic region: IbriAinaneDhahirah
