1. IOR/R/20/C/1988 Reference (shelfmark): IOR/R/20/C/1988 Title: Oil agreement between their Highnesses Sultan Awadh bin Saleh Al Quaiti, Sultan of Shihr and Mukalla and Sultan Hussein bin Ali bin Mansur Al Kathiri and Petroleum Concessions Ltd Collection Area: India Office Records and Private Papers Languages: English Date Range: Unspecified Extent: 1 file