1. '11/18 EXCHANGE OF MAILS BETWEEN HASA & BAHRAIN' Contributor: Political Resident, Persian Gulf (correspondent)Superintendent of Post Offices, Lower Sind and the Persian Gulf, Karachi (correspondent)Postmaster, Bahrain (correspondent) Date: 1932/1940 Language: EnglishArabic Geographic region: QatifHofufHasa Extent: 1 file (69 folios)