13. 'CONFIDENTIAL 86/7-II B-35 OIL TRUCIAL COAST & OMAN' Contributor: India Office (correspondent)Petroleum Concessions Limited (correspondent)Political Agent, Bahrain (correspondent)Sultan of Muscat and Oman, Āl Bū Sa'īd Dynasty (correspondent) Date: 1934/1936 Language: EnglishArabicPersian Geographic region: Abu DhabiTamb IslandKalba Extent: 1 volume (207 folios)
14. 'CONFIDENTIAL 86/7-III B.36. TRUCIAL COAST.' Contributor: Petroleum Concessions Limited (correspondent)Political Agent, Bahrain (correspondent)D'Arcy Exploration Company Limited (correspondent) Date: 1936/1936 Language: EnglishArabicPersian Geographic region: DibaiSharjahAbu DhabiRas al Khaimah Extent: 1 volume (246 folios)
15. 'Confidential 86/7-v B.41 PETROLEUM CONCESSIONS LTD., TRUCIAL COAST' Contributor: Petroleum Concessions Limited (correspondent)Political Agent, Bahrain (correspondent)Native Agent, Trucial Coast, Sharjah (correspondent) Date: 1936/1937 Language: EnglishArabicPersian Geographic region: Abu DhabiAjmanDebaiRas al Khaimah Extent: 1 volume (302 folios)
16. '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)
17. ''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)
18. '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)
19. ‘Miscellaneous:– Payments of Military Pensions from the Bahrain Treasury and their Correspondence regarding’ Contributor: Controller of Military Pension Accounts, Lahore (correspondent) Date: 1935/1940 Language: EnglishArabicPersian Extent: 1 file (239 folios)
20. '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)
21. 'File 3/1 Local affairs' Contributor: Emir of Dubai, Āl Maktūm dynasty (correspondent)Emir of Ra's al-Khaymah, Āl Qāsimī dynasty (correspondent)Native Agent, Trucial Coast, Sharjah (correspondent) Date: 1932/1939 Language: EnglishArabicPersian Geographic region: DubaiSharjahAjmanRas al-Khaimah Extent: 1 file (261 folios)
22. 'FILE-B/8 CORRESPONDENCE REGARDING CLAIMS AGAINST MEMBERS OF AL KHALIFAH' Date: 1932/1934 Language: EnglishArabicPersian Extent: 1 file (31 folios)
23. ‘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)
24. ‘File 12/5 Wrecks of sailing boats and vessels in the sea and salvages’ Contributor: Sopher and Company (correspondent)Director of Customs and Port Officer (correspondent)Native Agent, Trucial Coast, Sharjah (correspondent) Date: 1929/1945 Language: EnglishArabicPersian Extent: 1 file (282 folios)