1. IOR/R/20/A/4866 Reference (shelfmark): IOR/R/20/A/4866 Title: File 5 Dthala: Detailed description of Frontier, including map of the Hajariya and Subeihi Districts of Arabia, 1917 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1934-1936 Extent: 1 file