25. 'Handbook of Asir' Creator: Author: Cairo Intelligence Department, Arab Bureau Date: 1916/1916 Language: English Geographic region: Asir
26. 'Kurdistan and the Kurds' Creator: Author: General Staff Branch, India Date: 1918/1920 Language: English Geographic region: Kurdistan
27. 'Memorandum respecting the Aden Frontier Delimitation' Creator: Author: Foreign Office Date: 1906/1906 Language: English Geographic region: Aden Protectorate
29. 'Précis of correspondence regarding Trucial Chiefs, 1854-1905' Date: 1906/1906 Language: English Geographic region: Trucial Coast
30. 'Précis of correspondence regarding the affairs of the Persian Gulf, 1801-1853' Creator: Author: Jerome Anthony Saldanha Date: 1906/1906 Language: English Geographic region: PersiaArabian PeninsulaPersian Gulf
31. 'File 1/A/38 I Negotiations with Bin Saud re:- Eastern boundary of Saudi Arabia with Qatar & Trucial Oman.' Date: 1934/1935 Language: English Geographic region: QatarTrucial CoastSaudi Arabia
32. 'File 1/A/38 II Negotiations with Bin Saud re: Eastern boundary of Saudi Arabia with Qatar & Trucial Oman.' Date: 1935/1935 Language: English Geographic region: QatarSaudi ArabiaAbu DhabiTrucial Oman
33. 'File 61/7 (D 65) Bin Saud's relations with the Sheikh of Kuwait' Date: 1922/1929 Language: English Geographic region: Kuwait
34. 'File 2/10 1 II. AVIATION. ROYAL AIR FORCE. (1) Reconnaissance of Basrah, Aden, Muscat, Masirah, Murbat, Sauqrah Bay Etc. AIR ROUTE.' Date: 1926/1931 Language: English Geographic region: Aden
35. 'File 8/20: MUSCAT STATE AFFAIRS: RISE OF OMANIS' Date: 1917/1920 Language: English Geographic region: Oman