2. 'File 19/191 II (C 38) Bahrain, Persian Claim To' Contributor: James Orton (correspondent)Francis Warden (correspondent)Hugh Weightman (correspondent) Date: 1929/1931 Language: EnglishFrench Geographic region: BahrainBūshehr Extent: 1 volume (214 folios)
3. 'File 19/109 V (C 32) Bahrain Relations with other Foreign Powers' Contributor: James Orton (correspondent)Francis Warden (correspondent)Hugh Weightman (correspondent) Date: 1929/1931 Language: EnglishFrenchArabic Geographic region: KhorramshahrBahrainBūshehr Extent: 1 volume (271 folios)
4. File 200/1928 Pt 5 'Persia: Anglo-Persian Relations, Treaty Negotiations' Contributor: British Legation, Tehran (correspondent)Foreign Office (correspondent) Date: 1929/1931 Language: EnglishFrench Geographic region: Persia Extent: 1 volume (562 folios)
5. File 3939/1926 Pt 4 'Publications: Revision of Aitchison's Treaties: Section re Afghanistan.' Date: 1929/1931 Language: EnglishFrench Geographic region: Afghanistan Extent: 1 item (184 folios)
6. File 4535/1928 Pt 13-15 ‘PERSIAN GULF POLICY & NEGOTIATIONS’ Contributor: Foreign Office (correspondent) Date: 1929/1931 Language: EnglishFrench Extent: 1 volume (223 folios)