1. 'File 10/10 II Bahrain Additional Area' Contributor: Bahrain Political Agency (creator)Political Agent, Bahrain (creator) Date: 1947/1949 Language: EnglishArabic Geographic region: Hawar Islands Extent: 1 file (52 folios)
2. 'File 6/21 Proposed return of Shaikh Khallaf, late Shea [Shī‘a] Qadhi of Bahrain' Contributor: High Commissioner, Iraq (correspondent)King of Bahrain (correspondent)Shaikh Khallaf bin Ahmad Asfour al- (correspondent; subject) Date: 1929/1933 Language: EnglishArabic Extent: 1 file (45 folios)
3. 'File K/6 Wakils and Agents in the Agency Courts' Date: 1927/1950 Language: EnglishArabic Extent: 1 file (120 folios)
4. 'File 53/54 VI (D 143) Kuwait Blockade' Date: 1937/1938 Language: EnglishArabic Extent: 1 volume (203 folios)
5. 'File 8/65 IV MUSCAT STATE AFFAIRS: RENEWAL OF COMMERCIAL TREATY.' Contributor: Political Resident, Persian Gulf (correspondent)Secretary of State for India and Burma, United Kingdom (correspondent)Foreign Office (correspondent)Sultan of Muscat and Oman, Āl Bū Sa'īd Dynasty (correspondent)Colonial Office (correspondent)Dominions Office (correspondent) Date: 1938/1941 Language: EnglishArabic Extent: 1 file (244 folios)
6. 'File XXXVI/1 CEREMONIALS, HONOURS & REWARDS. - SALUTES. 1887-1926.-' Date: 1873/1926 Language: EnglishArabicFrench Extent: 1 volume (106 folios)
7. ‘File 7/10 Mishaps to R.A.F. aircraft’ Date: 1940/1946 Language: EnglishArabic Extent: 1 file (96 folios)
8. ‘File 13/3 BOAC [British Overseas Airways Corporation] services’ Contributor: British Overseas Airways Corporation (correspondent) Date: 1932/1950 Language: EnglishArabic Geographic region: Muharraq Aerodrome Extent: 1 file (226 folios)
9. ‘File 29/18i I Food Supplies – TEA & COFFEE’ Contributor: Adviser to the Government of Bahrain (correspondent)Government of Bahrain, Food Controller (correspondent) Date: 1940/1944 Language: EnglishFrenchArabic Extent: 1 file (372 folios)
10. 'File 6/1 II Joint Court fees: Correspondence regarding' Date: 1945/1947 Language: EnglishArabic Extent: 1 file (15 folios)
11. 'File G/10 V. O. Personal letters of PAs & AP.A.S’ Contributor: Cornelius James Pelly (correspondent)Shaikh Hakim of Bahrain Salmān bin Ḥamad Āl Khalīfah (correspondent) Date: 1943/1950 Language: ArabicEnglish Extent: 1 file (134 folios)
12. 'File 1/6 II Officers of the IPS: Postings and Transfers, Honourable the Resident etc.' Contributor: Bahrain Political Agency (creator)Political Agent, Bahrain (creator) Date: 1945/1949 Language: EnglishArabic Extent: 1 file (61 folios)
13. 'File 61/14 V (D 49) Nejd and 'Iraq, Relations between' Contributor: High Commissioner, Palestine and Transjordan (correspondent)Senior Naval Officer in the Persian Gulf (correspondent)Colonial Office (correspondent)High Commissioner, Iraq (correspondent)High Commissioner, Egypt (correspondent)Air Officer Commanding, Iraq (correspondent)Royal Navy, Commander-in-Chief, East Indies Station (correspondent)Gerald Gaury de (correspondent)Sir Knight Gilbert Falkingham Clayton (correspondent) Date: 1928/1928 Language: EnglishArabic Geographic region: AdenIraqKuwaitYemen Extent: 1 volume (291 folios)
14. ‘File 2/32 ACQUISITION OF PERMANENT AIR FACILITIES’ Contributor: Sultan of Muscat and Oman, Āl Bū Sa'īd Dynasty (correspondent; subject) Date: 1944/1948 Language: EnglishArabic Geographic region: Masirah Extent: 1 file (167 folios)
15. 'File No. E/19 V. O. MISCELLANEOUS CORRESPONDENCE REGARDING LOCAL MURDER CASES.' Contributor: King of Bahrain (correspondent)Adviser to the Government of Bahrain (correspondent) Date: 1935/1935 Language: EnglishArabic Extent: 1 file (9 folios)
16. 'File A/14 Shaikh Hamad bin Muhammad Al Khalifa and his intrigues with the Turkish authorities' Contributor: Bahrain Political Agency (creator) Date: 1904/1916 Language: EnglishArabicTurkish, Ottoman (1500-1928) Extent: 1 volume (123 folios)
17. 'File 10/16 Legislation for preventing the import and sale in Bahrain of foreign imitations of British designs' Contributor: Bahrain Political Agency (creator) Date: 1940/1940 Language: EnglishArabic Extent: 1 file (24 folios)
18. '86/1 XII (D 175) Kuwait Oil' Contributor: Arabian Development Syndicate Limited (correspondent)Arabian American Oil Company (correspondent)Kuwait Oil Company (correspondent)Political Agent, Kuwait (correspondent)Emir of Kuwait (correspondent)Petroleum Division (correspondent)Frank Holmes (correspondent) Date: 1941/1946 Language: EnglishArabic Geographic region: Kuwait Extent: 1 volume (227 folios)
19. 'File A/2 VI Correspondence regarding slaves applying for manumission at Muscat' Date: 1943/1951 Language: EnglishArabic Extent: 1 file (77 folios)
20. Coll 35/20 'Persian Gulf: Bahrain; installation of a telephone communication between the wireless station of Imperial and International Communications Ltd at Manamah and the landing ground at Muharraq' Contributor: Persian Gulf Political Residency (correspondent)Bahrain Political Agency (correspondent)Foreign Office (correspondent)General Post Office (correspondent)Adviser to the Government of Bahrain (correspondent)Cable and Wireless Ltd (correspondent) Date: 1934/1947 Language: EnglishArabic Geographic region: Bahrain Extent: 1 file (214 folios)
21. 'File 11/34 Defence: Muscat War Subsidy' Contributor: Sultan of Muscat and Oman, Āl Bū Sa'īd Dynasty (correspondent)Persian Gulf Political Residency (correspondent) Date: 1941/1948 Language: EnglishArabic Extent: 1 file (220 folios)
22. 'File 19/3 II Visits of His Excellency the Naval Commander in Chief' Contributor: Mesopotamia Persia Corporation Limited (correspondent)Bahrain Petroleum Company (correspondent)Adviser to the Government of Bahrain (correspondent)King of Bahrain (correspondent)Political Agent, Trucial Coast (correspondent)Emir of Qatar (correspondent)Royal Navy, Commander-in-Chief, East Indies Station (correspondent)Shaikh Muḥammad bin ̔Īsá Āl Khalifah (correspondent) Date: 1932/1935 Language: EnglishArabic Extent: 1 file (334 folios)
23. 'File 3/6 Agency Medical Officer' Date: 1932/1941 Language: EnglishArabic Extent: 1 file (56 folios)
24. ‘File 5/196 I Slave traffic in the Gulf: Hindu boys kidnapped from Karachi and other cases’ Date: 1927/1930 Language: EnglishArabic Geographic region: PersiaBaluchistanTrucial CoastZellaq Extent: 1 volume (312 folios)