25. 'XXII/8 Baghdad Railway' Contributor: Political Resident, Persian Gulf (correspondent)Persian Gulf Political Residency, First Assistant Resident (correspondent)Civil Commissioner, Mesopotamia (correspondent) Date: 1910/1918 Language: English Geographic region: KoweitBaghdad Extent: 1 volume (97 folios)
26. 'XXII/9 Sheikh's relations with Germany' Contributor: Political Resident, Persian Gulf (correspondent)Persian Gulf Political Residency, First Assistant Resident (correspondent) Date: 1907/1912 Language: English Geographic region: Koweit Extent: 1 volume (20 folios)
27. 'XXXI/2 Al-Bu-Ainain settlement at Qasr-as-Sabaih' Contributor: Political Resident, Persian Gulf (correspondent)District Magistrate, Bahrain (correspondent)Government of India, Foreign and Political Department (correspondent)Persian Gulf Political Residency, First Assistant Resident (correspondent)Persian Gulf Political Residency, Second Assistant Resident (correspondent)Persian Gulf Political Residency (correspondent) Date: 1909/1913 Language: EnglishArabic Geographic region: KatifWakra Extent: 1 volume (91 folios)
28. 'XX/7 Vernacular Newspapers & periodicals, Extracts from & Pan-Islamism.' Contributor: Office of the Director of Criminal Intelligence (correspondent)Political Resident, Persian Gulf (correspondent)Government of India, Foreign and Political Department (correspondent)Persian Gulf Political Residency, First Assistant Resident (correspondent) Date: 1904/1912 Language: English Geographic region: KoweitMohammerah Extent: 1 volume (35 folios)
29. '[Un-numbered File] Muscat Diary 1905-1907' Contributor: Political Resident, Persian Gulf (correspondent) Date: 1905/1907 Language: English Geographic region: Oman Extent: 1 file (269 folios)
30. '[Un-numbered File] Muscat Diary 1906-1908' Contributor: Political Resident, Persian Gulf (correspondent) Date: 1906/1908 Language: English Geographic region: Oman Extent: 1 file (111 folios)
31. '[Un-numbered File] Muscat Diaries 1908-1909' Contributor: Political Resident, Persian Gulf (correspondent) Date: 1908/1909 Language: English Geographic region: Oman Extent: 1 file (170 folios)
32. '[Un-numbered File] Muscat Diary 1910' Contributor: Political Resident, Persian Gulf (correspondent) Date: 1910/1910 Language: English Geographic region: Oman Extent: 1 file (137 folios)
33. 'Activities of Foreign Agents in Saudi Arabia' Contributor: British Legation to Saudi Arabia (correspondent)Political Resident, Persian Gulf (correspondent)Adviser to the Government of Bahrain (correspondent)Gray, Mackenzie and Company Limited, shipping agents (correspondent) Date: 1947/1948 Language: English Geographic region: Ras TanuraDhahran Extent: 1 file (8 folios)
34. 'Papers respecting the Protection to be granted to Persons of Persian Origin born in India' Contributor: Foreign Office (author)Government of Bombay, Political Department (correspondent)Government of India, Foreign Secretary (correspondent)HM Ambassador to Iran (correspondent)Political Resident, Persian Gulf (correspondent)Secretary of State for Foreign Affairs (correspondent)Assistant Advocate General, Bengal (correspondent) Date: 1876/1876 Language: EnglishFrench Geographic region: Persia Extent: 1 file (6 folios)
35. '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)
36. 'Messrs Gray Paul and Company's claim against Muhammad Ibrahim ibn Saif' Contributor: Political Resident, Persian Gulf (correspondent)Emir of Kuwait (correspondent)Mesopotamia Expeditionary Force, Chief Political Officer (correspondent)Gray, MacKenzie and Company, shipping agents (correspondent) Date: 1917/1918 Language: EnglishArabic Extent: 1 file (33 folios)