1. '11/1 TREATMENT OF BAHARNA IN HASA AND QATIF' Contributor: Political Resident, Persian Gulf (correspondent)British Legation to Saudi Arabia (correspondent) Date: 1914/1950 Language: English Geographic region: HasaQatif Extent: 1 file (5 folios)
2. '11/9 AMIR OF DHAHRAN' Contributor: Political Resident, Persian Gulf (correspondent)Amir of Dhahran (correspondent) Date: 1945/1946 Language: EnglishArabic Geographic region: HofufHasaDhahran Extent: 1 file (6 folios)
3. '11/18 EXCHANGE OF MAILS BETWEEN HASA & BAHRAIN' Contributor: Political Resident, Persian Gulf (correspondent)Superintendent of Post Offices, Lower Sind and the Persian Gulf, Karachi (correspondent)Postmaster, Bahrain (correspondent) Date: 1932/1940 Language: EnglishArabic Geographic region: QatifHofufHasa Extent: 1 file (69 folios)
4. 'Procedure re Claims against Hasawis. Correspondence with the Amir of Hasa' Contributor: Political Resident, Persian Gulf (correspondent)Adviser to the Government of Bahrain (correspondent)'Abdullāh bin Jilūwī Āl Sa'ūd (correspondent) Date: 1933/1933 Language: EnglishArabic Geographic region: HasaNejd Extent: 1 file (20 folios)
5. 'ROAD MAP PRESENT OPERATIONS PROVINCE OF HASA SAUDI ARABIA' Date: 1940/1940 Language: English Geographic region: HasaArabian Peninsula Extent: 1 map
6. 'ROAD MAP Present Operations PROVINCE OF HASA, SAUDI ARABIA.' Contributor: Survey Section, General Staff (publisher) Date: 1940/1940 Language: English Geographic region: Arabian PeninsulaHasa Extent: 1 map
7. 'Confidential D 107 86/5-I Eastern and General Syndicate Ltd. - Saudi Arabia' Contributor: Political Agent, Bahrain (correspondent)Political Agent, Kuwait (correspondent)Secretary of State for Foreign Affairs (correspondent)HM Ambassador to Saudi Arabia (correspondent) Date: 1933/1935 Language: English Geographic region: Saudi ArabiaKuwaitHasa Extent: 1 volume (213 folios)
8. Sketch map showing approximate area served by Bahrain as a distributing port Date: 1918/1918 Language: English Geographic region: BahrainHasaNajdQatar Extent: 1 map
9. Coll 30/185 'OIL: Hasa Oil. Qn of a pre-emption agreement.' Date: 1938/1940 Language: English Geographic region: Hasa Extent: 1 file (33 folios)
10. Coll 30/31 'Hasa Coast; Entry of Hindu Merchants into Hasa; Attitude of Ibn Saud' Date: 1928/1934 Language: English Geographic region: QatifHasa Extent: 1 file (56 folios)
11. Coll 5/1 ‘Persian Gulf Air Routes: Hasa Coast & Flying over Nejd territory — Saudi regulations for the landing of foreign aircraft’ Contributor: HM Ambassador to Saudi Arabia (correspondent)Air Ministry (correspondent)Foreign Office (correspondent) Date: 1931/1937 Language: English Geographic region: Saudi ArabiaHasa Extent: 1 file (281 folios)
12. Coll 6/48 'Oil: Concessions in Saudi Arabia. (Hasa)' Contributor: HM Ambassador to Iraq (correspondent)HM Ambassador to Saudi Arabia (correspondent)HM Chargé d'Affaires to Jeddah (correspondent)Foreign Office (correspondent)Political Resident, Persian Gulf (correspondent)District Magistrate, Bahrain (correspondent)War Office (correspondent)Air Ministry (correspondent)Arabian American Oil Company (correspondent)Petroleum Division (correspondent)Secretary of State for the Colonies, United Kingdom (correspondent)Frank Holmes (correspondent) Date: 1923/1945 Language: English Geographic region: QatarKuwaitBahrainHasa Extent: 1 file (574 folios)
