13. 'Vol 282 Head IV, Volume 11 (eleven) Bahrein and Wahabee Complications' Contributor: Native Agent, Bahrain (correspondent)King of Bahrain (correspondent)Commander, HM sloop Falkland (correspondent)Commander, HM frigate Semiramis (correspondent)Shaikh of Demaum (correspondent) Date: 1859/1862 Language: EnglishArabicTurkish, Ottoman (1500-1928) Geographic region: BahreinBassidoreDemaumKatif Extent: 2 volumes (354 folios)
14. ‘Vol 37, 38, 40 Letters inward and outward’ Contributor: Government of Bombay, Civil Auditor (correspondent)HM Chargé d'Affaires to Persia (correspondent)Government of Bombay, Persian Secretary (correspondent)Senior Naval Officer in the Persian Gulf (correspondent)Political Agent, Turkish Arabia (correspondent)Shaikh Shaikh of the Āl Jalāhimah tribe Raḥmah bin Jābir Āl Jalāhimah (recipient) Date: 1825/1825 Language: EnglishArabic Geographic region: BussoraPirate Coast Extent: 1 volume, 59 items (92 folios)
15. '1914 War: Miscellaneous Letters concerning Bahrain' Contributor: King of Bahrain (correspondent)Bahrain Political Agency (creator)Political Agent, Bahrain (creator) Date: 1914/1917 Language: EnglishArabic Extent: 1 file (81 folios)
16. 'Head V Oman Ports Subject 1 to 18 inclusive' Contributor: Native Agent, Trucial Coast, Sharjah (correspondent) Date: 1857/1861 Language: EnglishArabic Geographic region: Trucial Coast Extent: 1 volume (334 folios)
17. ‘Secret letters inward’ Contributor: 3rd Viscount Palmerston Henry John Temple (correspondent) Date: 1839/1840 Language: EnglishArabic Geographic region: BrymeeKateef Extent: 1 file (79 folios)
18. 'No 413 Vol 19. Revised Commercial Treaty with Muscat' Contributor: Foreign Office (correspondent)Political Agent and Consul, Muscat (correspondent)Government of India, Foreign and Political Department (correspondent) Date: 1887/1905 Language: EnglishArabic Geographic region: ZanzibarMuscat Extent: 1 volume (180 folios)
19. 'Book 181 - 1852' Contributor: Native Agent, Shiraz (correspondent) Date: 1851/1852 Language: EnglishArabic Geographic region: PersiaBasraBushireCarrack Extent: 1 volume (146 folios)
21. '12 File 323 I - Interference of Persian Agents in Bahrain Affairs' Contributor: King of Bahrain (recipient) Date: 1869/1887 Language: EnglishArabic Geographic region: Bahrain Extent: 1 volume (56 folios)
22. '17 File 592 I Runaway Sailors and Divers, Agreement with Trucial Chiefs for their Prevention' Contributor: Native Agent, Trucial Coast, Sharjah (correspondent)Emir of Sharjah, Āl Qāsimī dynasty (correspondent)Emir of Umm al-Qaywayn, Āl Mu'allā dynasty (correspondent)Emir of Ra's al-Khaymah, Āl Qāsimī dynasty (correspondent)Emir of Dubai, Āl Maktūm dynasty (correspondent)Emir of Ajman, Āl Nu'aymī dynasty (correspondent)Emir of Abu Dhabi, Āl Nahyān dynasty (correspondent) Date: 1878/1880 Language: EnglishArabic Geographic region: Trucial Coast Extent: 1 volume (230 folios)
23. ‘26 File 626 Qatar and Bahrain affairs: action of Shaikh Jasim ibn Muhammad Al Thani against al-`Udaid’ Contributor: Native Agent, Trucial Coast, Sharjah (correspondent)Emir of Qatar (correspondent)Emir of Abu Dhabi, Āl Nahyān dynasty (correspondent) Date: 1881/1886 Language: EnglishArabic Geographic region: Al-HasaQatarAbu DhabiEl Katiff Extent: 1 volume (221 folios)
24. '32 File 654 Intrigues of Persian officials on Arab Coast' Contributor: Native Agent, Bahrain (correspondent)Native Agent, Trucial Coast, Sharjah (correspondent)Native Agent, Lingah (correspondent)Emir of Qatar (correspondent)Emir of Abu Dhabi, Āl Nahyān dynasty (correspondent) Date: 1887/1894 Language: EnglishArabic Geographic region: Bushire Extent: 1 volume (162 folios)