25. ‘BAHREIN & VICINITY. BR-486/1’ Date: 1939/1939 Language: English Geographic region: Kingdom of HejazHidjaz
26. 'Administration Report of the Persian Gulf for the Year 1936' Date: 1937/1937 Language: English Geographic region: BūshehrAbū-ShahrHormuz Isle
27. 'Administration Reports of the Persian Gulf, 1945 [-1946]' Date: 1946/1946 Language: English Geographic region: BūshehrAbū-ShahrHormuz Isle
28. 'Administration Report of the Persian Gulf for the Year 1938' Date: 1939/1939 Language: English Geographic region: BūshehrAbū-ShahrHormuz Isle
29. 'Administration Reports of the Persian Gulf, 1939 to 1944' Date: 1940/1945 Language: English Geographic region: BūshehrAbū-ShahrHormuz Isle
30. 'Report on Najd Mission 1917-1918' Date: 1918/1918 Language: English Geographic region: NajdBūshehrAbū-ShahrHormuz Isle
31. 'Persian Gulf Gazetteer, Part I Historical and Political Materials, Précis of Bahrein [Bahrain] Affairs, 1854-1904' Date: 1904/1904 Language: English Geographic region: BahrainBūshehrAbū-ShahrHormuz Isle
32. 'Persian Gulf Gazetteer, Part I Historical and Political Materials, Précis of Koweit [Kuwait] Affairs, 1896-1904' Date: 1904/1904 Language: English Geographic region: KuwaitBūshehrAbū-ShahrHormuz Isle
33. 'Persian Gulf Gazetteer, Part I Historical and Political Materials, Précis of Nejd [Najd] Affairs, 1804-1904' Date: 1904/1904 Language: English Geographic region: NajdBūshehrAbū-ShahrHormuz Isle
34. 'Persian Gulf Gazetteer Part II, Geographical and Descriptive Materials, Section III Central Arabia' Date: 1904/1904 Language: English Geographic region: Central ArabiaBūshehrAbū-ShahrHormuz Isle
35. 'Persian Gulf Gazetteer Part II, Geographical and Descriptive Materials, Section II Western Side of the Gulf' Date: 1904/1904 Language: English Geographic region: الأحساءالبحرينالكويتالإمارات المتصالحةقطربوشهرأبو شهرجزيرة هرمز
36. 'Persian Gulf Gazetteer, Historical and Political Materials, Maskat [Muscat] territory, 1872-1903' Date: 1903/1903 Language: English Geographic region: MuscatBūshehrAbū-ShahrHormuz Isle