1. File 868/1912 Pt 6 'Arms traffic: Muscat Trade. Compensation for French dealers at Muscat.' Contributor: Secretary of State for Foreign Affairs (correspondent)Viceroy and Governor-General of India in Council (correspondent)Political Agent, Kuwait (correspondent)Sultan of Muscat and Oman, Āl Bū Sa'īd Dynasty (correspondent)French Consul, Muscat (correspondent)Political Agent and Consul, Muscat (correspondent)Permanent Under-Secretary of State for Foreign Affairs (correspondent) Date: 1913/1914 Language: English Geographic region: Muscat Extent: 1 volume (278 folios)
2. 'CONFIDENTIAL 86/12-ii A.75. P.C.L. MUSCAT' Contributor: India Office (correspondent)Petroleum Concessions Limited (correspondent)Sultan of Muscat and Oman, Āl Bū Sa'īd Dynasty (correspondent)Political Agent and Consul, Muscat (correspondent) Date: 1937/1937 Language: English Geographic region: OmanMuscatDhofar Extent: 1 volume (187 folios)
3. File 2182/1913 Pt 1 'Persian Gulf Situation in El Katr Policy towards Bin Saud' Contributor: Political Resident, Persian Gulf (correspondent)Viceroy and Governor-General of India in Council (correspondent)Permanent Under-Secretary of State for India (correspondent)Secretary of State for India, United Kingdom (correspondent)HM Ambassador to the Ottoman Empire (correspondent)Secretary of State for Foreign Affairs (correspondent)Foreign Office (correspondent)Political Agent, Kuwait (correspondent)King of Saudi Arabia 'Abd al-'Azīz bin 'Abd al-Raḥmān bin Fayṣal Āl Sa'ūd (correspondent) Date: 1913/1913 Language: EnglishFrench Geographic region: El HassaNejd Extent: 1 volume (155 folios)
4. File 2764/1904 Pt 3 'Baghdad Railway: general negotiations 1910-1912.' Contributor: HM Ambassador to France (correspondent)HM Ambassador to the Ottoman Empire (correspondent) Date: 1910/1912 Language: English Extent: 1 volume (268 folios)
5. Coll 28/129 ‘OIL; Oil concessions in North Persia; Request by Soviet Government.’ Contributor: Foreign Office (correspondent)HM Ambassador to Iran (correspondent) Date: 1944/1945 Language: EnglishFrench Extent: 1 file (325 folios)
6. Coll 34/11 'Slavery and Slave Trade: Red Sea, Arabia and Persian Gulf: Investigations by Sir George Maxwell' Contributor: League of Nations, Advisory Committee of Experts on Slavery (correspondent; subject)Persian Gulf Political Residency (correspondent) Date: 1936/1939 Language: English Extent: 1 file (338 folios)
7. Coll 5/60(2) ‘Afghanistan: Further purchase of Hind aircraft from UK by Afghan Govt’ Contributor: Air Ministry (correspondent)Foreign Office (correspondent)Indian Political Service, External Affairs Department (correspondent)HM Ambassador to Afghanistan (correspondent) Date: 1938/1944 Language: English Geographic region: Afghanistan Extent: 1 file (537 folios)
8. 'File 14/15 Middle East Oil' Contributor: Head of Political Intelligence Centre, Middle East Forces (correspondent)Political Resident, Persian Gulf (correspondent) Date: 1946/1947 Language: English Geographic region: Middle East Extent: 1 file (17 folios)
9. Coll 30/90 'Persian claim to the island of Bahrain' Contributor: Political Resident, Persian Gulf (correspondent)Foreign Office (correspondent)HM Ambassador to Iran (correspondent)Government of Iran, Pahlavi dynasty (correspondent) Date: 1934/1948 Language: EnglishFrench Geographic region: Bahrein Extent: 1 file in 3 parts (519 folios)
10. 'File 19/2 IV The Honourable the Political Resident's tours, etc' Contributor: Petroleum Concessions Limited (correspondent)Adviser to the Government of Bahrain (correspondent)King of Bahrain (correspondent)Political Agent, Trucial Coast (correspondent)British Overseas Airways Corporation (correspondent)Political Resident, Persian Gulf (correspondent; subject)Yusuf Bin Ahmed Kanoo (correspondent) Date: 1937/1944 Language: English Extent: 1 file (415 folios)
11. File 287/1917 'Arabia: Deportation of undesirable Indians' Contributor: Government of India, Foreign and Political Department (correspondent)Foreign Office (correspondent)Colonial Office (correspondent)War Office (correspondent)High Commissioner, Egypt (correspondent) Date: 1916/1920 Language: EnglishUrdu Geographic region: IndiaMaltaTurkeyOttoman EmpireEgyptMeccaJeddaHejaz Extent: 1 volume (155 folios)
12. Ext 5000/46(1) ‘Persian Situation: Miscellaneous Reports’ Contributor: HM Ambassador to Soviet Russia (correspondent)HM Ambassador to Iran (correspondent)British Consul, Ahwaz (correspondent)British Consul, Khorramshahr (correspondent)Foreign Office (recipient) Date: 1946/1946 Language: EnglishFrench Geographic region: KhuristanAzerbaijanAbadanAhwazTehrānIranPersia Extent: 1 file (596 folios)