13. Coll 28/23 ‘Relations with H.M.G: Negotiations 1928–31 Withdrawal of I.E.T Dept.’ Contributor: British Legation, Tehran (correspondent)Indo-European Telegraph Company (correspondent)Indo-European Telegraph Department (correspondent)Cable and Wireless Ltd (correspondent) Date: 1931/1936 Language: EnglishFrenchPersian Geographic region: PersiaPersian GulfHenjam Extent: 1 volume (407 folios)
14. Coll 28/37 ‘Persia. Position of British Subjects & British Protected persons under Persian Nationality Law.’ Contributor: British Legation, Tehran (correspondent)Foreign Office (correspondent)Government of India, Foreign and Political Department (correspondent) Date: 1924/1935 Language: EnglishFrenchPersian Geographic region: KashmirKurramPersia Extent: 1 volume (553 folios)
15. Coll 28/39 ‘Persia: Printed Correspondence 1929-1936’ Contributor: Iran (author)Journal de Téhéran (author)Le Messager de Tehran (author)Foreign Office (correspondent)British Legation, Tehran (correspondent)Government of Iran, Pahlavi dynasty (author) Date: 1930/1937 Language: EnglishFrenchPersian Extent: 1 volume (583 folios)
16. Coll 28/42 ‘Persia. Motor-car Registration in East Persia. Issue of Driving Licenses and Visas to British & Persian subjects; Indian lorry drivers in Persia.’ Contributor: Chief Commissioner (correspondent)British Legation, Tehran (correspondent)British Consul, Seistan and Kain (correspondent) Date: 1931/1939 Language: EnglishFrenchPersian Geographic region: BaluchistanNok KundiDuzdapSistan Extent: 1 file (212 folios)
17. File 4949/1912 Pt 4 ‘Abu Musa – Angelegenheit. 1907.’ Contributor: German Chargé d’Affaires (correspondent)German Consul (correspondent)Government of the German Empire (correspondent)Robert Wönckhaus and Company (correspondent)Political Resident, Persian Gulf (correspondent) Date: 1907/1908 Language: GermanEnglishFrenchArabicPersian Geographic region: Abū Mūsá Extent: 1 file (263 folios)
18. File 9/4 ‘Political Agency Koweit. IX/4. Civil Cases from 1909’ Date: 1908/1913 Language: EnglishFrenchArabicPersianTamil Extent: 1 file (299 folios)