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)