1. IOR/R/15/5/393/7 Reference (shelfmark): IOR/R/15/5/393/7 Title: India Office Political and Secret Department Confidential Memoranda: B 409 Precis of Treaties and Engagements between the British Government and the Chiefs of the Arabian Coast of the Persian Gulf Collection Area: India Office Records and Private Papers Languages: English Date Range: Sep 1928 Extent: 6pp