1. 'Book 130' Letters inward Contributor: Political Agent and Consul, Zanzibar (correspondent)Government of Bombay, Secretary to the Political Department (correspondent)Shaikh Salmin bin Nasir (recipient) Date: 1840/1841 Language: EnglishArabic Geographic region: Trucial CoastEl BiddahBahreinMuskatKarrack (island)Eastern Africa Extent: 1 file (40 folios)
2. ‘Book 131’ Secret letters inward Contributor: Political Agent and Consul, Zanzibar (correspondent)Government of Bombay, Secretary to the Political Department (correspondent)Queen Tsiomeko (witness) Date: 1840/1841 Language: English Geographic region: Trucial CoastZanzibarKarrack (island)Nos Beh (island) Extent: 1 file (119 folios)
3. ‘Book 155 1848’ Vol 155 Letters inward Contributor: Court of Directors (correspondent)Secretary of State for Foreign Affairs (author)Political Agent and Consul, Zanzibar (correspondent)Lords Commissioners of the Treasury (author) Date: 1848/1848 Language: English Geographic region: Eastern Africa Extent: 1 file (20 folios)
4. 'Vol 166 1850 Muscat' Contributor: Political Agent and Consul, Zanzibar (correspondent)Emir of Najd, Wahhabi dynasty (correspondent)Samuel Hennell (correspondent) Date: 1850/1850 Language: English Geographic region: Rass el KhymaDebaiSoharShinas Fort Extent: 1 file, 15 items (41 folios)
5. 'Vol 166: 1850 Slave Trade' Contributor: Political Agent and Consul, Zanzibar (correspondent)Samuel Hennell (correspondent)Sir Knight Justin Sheil (correspondent) Date: 1850/1850 Language: English Geographic region: CongoonKarrack (island) Extent: 1 file, 16 items (38 folios)
6. 'Vol 174 1851/52 General or Miscellaneous and Packets' Contributor: Residency Surgeon, Persian Gulf (correspondent)Political Agent and Consul, Zanzibar (correspondent)Commander of the brigantine Tigris (correspondent)Commander of the brigantine Euphrates (correspondent)Samuel Hennell (correspondent) Date: 1850/1851 Language: English Geographic region: ZanzibarQaisRass el KhymaSoharAbo ThabeeAdeedEuphrates RiverBushireEl BiddahKenn IslandBassidoreKateefCongoonDoahFowaritGutturInderabia Extent: 1 volume, 54 items (83 folios)
7. ‘Vol 182 1852/53 Persia; Slave Trade; Muscat; Commerce; miscellaneous’ Contributor: King of Bahrain (correspondent)Political Agent and Consul, Zanzibar (correspondent)Sir Knight Arnold Burrowes Kemball (correspondent)Samuel Hennell (correspondent) Date: 1852/1852 Language: English Geographic region: PersiaBasraEuphrates River Extent: 1 volume, 38 items (57 folios)
8. 'Vol 259 Slave Trade' Contributor: Assistant to the Political Resident in the Persian Gulf (correspondent)Political Agent and Consul, Zanzibar (correspondent) Date: 1857/1861 Language: EnglishPersian Extent: 1 volume (237 folios)
9. ‘Secret Letters Outward’ Contributor: Assistant Resident, Bushire (correspondent)Political Agent and Consul, Zanzibar (correspondent) Date: 1840/1840 Language: English Geographic region: BahreinKarrack (island)NedgdBremee Extent: 1 file (95 folios)
10. ‘Letters inward; `diaries of Captain Hamerton’s proceedings at Sharjah’’ Contributor: Commander of the brigantine Tigris (correspondent)Political Agent and Consul, Zanzibar (correspondent)Senior Naval Officer in the Persian Gulf (correspondent) Date: 1839/1840 Language: English Geographic region: BahreinKarrack (island)Bryeemee Extent: 1 file (114 folios)
11. 'Vol 186 1853/54 Bahrain; Arabian Coast and Muscat; Slave Trade' Contributor: Political Agent and Consul, Zanzibar (correspondent)Native Agent, Bahrain (correspondent)King of Bahrain (correspondent)HM Chargé d'Affaires to Iran (correspondent) Date: 1853/1854 Language: English Geographic region: QatarTrucial CoastBassidoreBrymeeSohar Extent: 2 volumes, 107 items (424 folios)
12. Vol 167: Miscellaneous Letters Inward and Outward Contributor: Political Agent and Consul, Zanzibar (correspondent)Political Agent, Turkish Arabia (correspondent)Sir Rowland Macdonald Stephenson (correspondent) Date: 1850/1850 Language: English Extent: 1 volume, 7 items (18 folios)