1. IOR/L/PS/11/139, P 4012/1918 Reference (shelfmark): IOR/L/PS/11/139, P 4012/1918 Title: P 4012/1918 Trucial Chiefs: apprehensions of attack from Oman Collection Area: India Office Records and Private Papers Languages: English Date Range: 26 Jun 1918-2 Jul 1918 Extent: 1 file