1. 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)