37. ‘Original list of bound confidential files in the confidential office’ Date: 1947/1953 Language: English Extent: 1 volume (96 folios)
38. Register of legal documents Date: 1951/1953 Language: EnglishArabic Extent: 1 volume (195 folios)
40. 'File 9/1 A IV Visit of C-in-C to Muscat' Contributor: Royal Navy, Commander-in-Chief, East Indies Station (correspondent; subject) Date: 1951/1952 Language: English Extent: 1 file (3 folios)
41. 'File 8/65 X RENEWAL OF COMMERCIAL TREATY' Contributor: Political Resident, Persian Gulf (correspondent)Foreign Office (correspondent) Date: 1951/1952 Language: EnglishArabic Extent: 1 file (195 folios)
42. 'File 8/77 III MUSCAT INFANTRY' Contributor: Minister for Foreign Affairs (correspondent)Ministry of Foreign Affairs (correspondent)Political Resident, Persian Gulf (correspondent) Date: 1950/1952 Language: EnglishArabic Extent: 1 file (90 folios)
43. Ext 574/48 'Roster of employees of Petroleum Concessions Ltd, Bahrain, Petroleum Development (Qatar) Ltd and Petroleum Development (Trucial Coast) Ltd' Date: 1952/1952 Language: English Extent: 1 file (57 folios)
44. Pol Ext 16245/48 'Yemeni Situation' Contributor: Governor of Aden (correspondent) Date: 1952/1952 Language: English Extent: 1 file (1 folio)
45. Coll 20/41 'Muscat: Prohibition of Import of Intoxicating liquors into Muscat' Contributor: Political Resident, Persian Gulf (correspondent) Date: 1952/1952 Language: English Extent: 1 file (4 folios)
47. ‘Accounts’ Contributor: Political Agent, Doha (author) Date: 1950/1951 Language: English Geographic region: DohaQatar Extent: 1 file (28 folios)