493. Coll 5/31 ‘Air Route to India: Prohibition of private flights along the Arabian Coast of the Persian Gulf’ Date: 1933/1948 Language: English Geographic region: BahrainKuwaitOmanSharjah
494. Coll 5/34 ‘Meteorological Stations in Persian Gulf: Bahrain & Sharjah’ Date: 1934/1948 Language: English Geographic region: BahrainSharjah
495. Coll 5/45 ‘Persian Gulf: Replacement of sea-plane unit in the Persian Gulf by a land-plane unit based on Bahrain’ Date: 1935/1941 Language: English Geographic region: Bahrain
496. Coll 30/52 (2) 'Persian Gulf, Diaries: Bahrain News and Intelligence Reports' Date: 1941/1946 Language: English Geographic region: Bahrain
497. Coll 30/52(1) 'Persian Gulf. Diaries: Bahrain News and Intelligence Reports' Date: 1933/1941 Language: English Geographic region: Bahrain
498. Coll 30/52(3) 'Bahrein Intelligence Summaries 1946' Date: 1948/1950 Language: English Geographic region: Bahrain
499. Coll 30/52(3) 'Persian Gulf. Diaries: Bahrain Intelligence Summaries 1946' Date: 1946/1948 Language: English Geographic region: Bahrain
500. Coll 6/48 'Oil: Concessions in Saudi Arabia. (Hasa)' Date: 1923/1945 Language: English Geographic region: QatarKuwaitBahrainHasa
501. Coll 6/56 'Saudi-Arabia: Prevention of use of Bahrein and Kuwait as bases for activities against Nejd (Ibn Hithlain)' Date: 1933/1936 Language: English Geographic region: BahrainKuwait
502. Coll 30/6 'Persian Gulf. Bahrein [sic]: Trade Reports 1928 to' Creator: Author: Bahrain Political Agency Date: 1929/1947 Language: English Geographic region: Bahrain
503. Coll 30/62 'Persian Gulf. Bahrain. Provision of Lightship for Bahrain Harbour' Date: 1932/1934 Language: English Geographic region: Bahrain
504. Coll 30/7 'Persian Gulf, Russia: Russian Trade Activities' Date: 1927/1936 Language: English Geographic region: KuwaitBahrain