1. IOR/L/PS/10/659/1, f 62 Reference (shelfmark): IOR/L/PS/10/659/1, f 62 Title: No. 2837b 'Persian Gulf Sheet 2b' Scope & Content: Map showing the suggested system of lighting in the Persian Gulf. The maps also indicates lights that are established already; these are surrounded in black. In addition, the map indicates four different types of lighthouses. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1916? Extent: 1 map