1. 'A Dictionary, Persian, Arabic, and English; with a Dissertation on the Languages, Literature, and Manners of Eastern Nations' Date: 1829/1829 Language: EnglishArabicPersian Extent: 1 volume (908 folios)
2. Letters to Lewis Pelly from local rulers and shaikhs, with translations in English. Date: 1863/1870 Language: ArabicEnglishPersian Extent: 1 file, 9 items (17 folios)
3. 'Political' Contributor: Political Resident, Persian Gulf (correspondent) Date: 1882/1884 Language: EnglishArabicPersian Geographic region: OmanGwadur Extent: 1 file (134 folios)
4. ‘File 5/6 I Brussels Conference and general rules and procedure on slave traffic’ Contributor: Bahrain Political Agency (correspondent)Native Agent, Trucial Coast, Sharjah (correspondent)James Orton (correspondent)Francis Warden (correspondent) Date: 1892/1925 Language: EnglishFrenchArabicPersian Geographic region: BūshehrAbū-ShahrHormuz Isle Extent: 1 volume (137 folios)
5. 'Arabic/English File No. 7' Date: 1897/1903 Language: EnglishArabicPersian Extent: 1 file (287 folios)
6. 'Arabic Bound File No 5' Date: 1900/1905 Language: EnglishArabicPersian Extent: 1 file (205 folios)
7. 'File 3/8 Books etc: Transliteration of vernacular names and places.' Date: 1903/1932 Language: EnglishPersianArabicPashto Extent: 1 file (81 folios)
8. 'File 19/109 I (C 12) Bahrein Chief's relations with British Govt. and other Powers' Contributor: James Orton (correspondent)Francis Warden (correspondent)Hugh Weightman (correspondent) Date: 1903/1912 Language: EnglishFrenchPersianArabic Geographic region: BahrainBūshehr Extent: 1 volume (195 folios)
9. ‘File 5/194 I,195 I, 179 III, 169 II, 104 IV Kidnapping of individuals; manumission of slaves at Kuwait and Bushire; miscellaneous slavery cases’ Date: 1906/1942 Language: EnglishArabicPersian Extent: 1 volume (164 folios)
10. 'File A/4 Persian pretentions to Bahrain' Contributor: Bahrain Political Agency (creator) Date: 1906/1913 Language: EnglishArabicPersian Extent: 1 volume (109 folios)
11. '14/115 III B. 6 Abu Musa; Hassan Samayeh's dealings with the Germans' Contributor: German Vice-Consul, Bushire (correspondent) Date: 1907/1908 Language: EnglishArabicGermanPersianFrench Geographic region: Abu Musa IslandGermany Extent: 1 volume (255 folios)
12. File 4949/1912 Pt 4 ‘Abu Musa – Angelegenheit. 1907.’ Contributor: German Chargé d’Affaires (correspondent)German Consul (correspondent)Government of the German Empire (correspondent)Robert Wönckhaus and Company (correspondent)Political Resident, Persian Gulf (correspondent) Date: 1907/1908 Language: GermanEnglishFrenchArabicPersian Geographic region: Abū Mūsá Extent: 1 file (263 folios)
13. File 9/4 ‘Political Agency Koweit. IX/4. Civil Cases from 1909’ Date: 1908/1913 Language: EnglishFrenchArabicPersianTamil Extent: 1 file (299 folios)
14. 'Vocabularies: English, Arabic, Persian, Turkish, Armenian, Kurdish, Syriac' Contributor: Admiralty War Staff, Naval Intelligence Division (creator)War Office (creator)Admiralty (creator) Date: 1912/1922 Language: EnglishArabicPersianTurkishArmenianKurdishSyriac Extent: 1 volume (90 folios)
15. 'File W/4 Hostilities in Persia: Tangistan Blockade; Confiscation of Tea for Tangistan' Contributor: Qāḍī of Bahrain (correspondent)King of Bahrain (correspondent)Bahrain Political Agency (creator)Political Agent, Bahrain (creator)Wilhelm Wassmuss (correspondent)Ra'is Ali Dalvari (correspondent)Qashqai (Tribe) (correspondent)Tangsiri (Tribe) (correspondent) Date: 1915/1918 Language: EnglishFrenchArabicPersian Extent: 1 file (203 folios)
16. ''Handbook of Mesopotamia. Vol. I. 1916'' Contributor: Admiralty War Staff, Naval Intelligence Division (author) Date: 1916/1916 Language: EnglishArabicPersianTurkishArmenianKurdishClassical Syriac Geographic region: Mesopotamia Extent: 1 volume (186 folios)
17. 'File V/11 Clearance Papers for Sailing Craft Leaving Bahrain' Contributor: Bahrain Political Agency (creator)Political Agent, Bahrain (creator) Date: 1916/1917 Language: EnglishFrenchArabicPersian Geographic region: Tangestān Extent: 1 file (76 folios)
18. File 2902/1916 ‘Treaties and Engagements between the British Government and the Chiefs of the Arabian Coast of the Persian Gulf’ Contributor: Emir of Kuwait (correspondent)Political Resident, Persian Gulf (correspondent)King of Bahrain (correspondent)Emir of Mohammerah (correspondent)Government of India, Foreign and Political Department (correspondent)Foreign Office, Political Intelligence Department (correspondent)Shah of Persia, Qajar dynasty (correspondent)Sultan of Muscat and Oman, Āl Bū Sa'īd Dynasty (correspondent) Date: 1916/1928 Language: EnglishArabicPersian Geographic region: Persian Gulf Extent: 1 volume (222 folios)
19. 'Handbook of Mesopotamia. Vol. I. 1918' Contributor: Admiralty War Staff, Naval Intelligence Division (author) Date: 1918/1918 Language: EnglishArabicPersianTurkishArmenianKurdishSyriac Geographic region: Mesopotamia Extent: 1 volume (282 folios)
20. File 9/2 II ‘No. 9/2 Vol. II Criminal Cases’ Contributor: Emir of Kuwait (correspondent) Date: 1919/1926 Language: EnglishArabicPersian Extent: 1 file (209 folios)
21. 'File 8/2 Public petitions etc. Letters to Major Daly (P.A.) thanking him for his interest in Bahrain affairs' Contributor: Bahrain Political Agency (creator) Date: 1921/1924 Language: EnglishArabicPersian Extent: 1 file (33 folios)
22. 'File 1/13 I Major Head:- Political. Sub:- Head:- Persian pretensions to Bahrain.' Date: 1922/1931 Language: EnglishArabicPersian Geographic region: Persia Extent: 1 volume (341 folios)
23. 'File 45 Company Regulations. Application of Indian Companies Act to Bahrain' Contributor: Political Resident, Persian Gulf (correspondent)Persian United Motor Company, Bahrain (correspondent)Anglo-Iranian Oil Company, Resident Director, Mohammerah (correspondent)Messrs Cardew, Smith and Ross (correspondent)Government of Bahrain, Āl Khalīfa dynasty (correspondent)India Office, Secretary to the Political and Secret Department (correspondent)Secretary to the Political Resident in the Persian Gulf (correspondent) Date: 1922/1924 Language: EnglishArabicPersian Extent: 1 file (22 folios)