1. IOR/L/PS/11/139, P 4304/1918 Reference (shelfmark): IOR/L/PS/11/139, P 4304/1918 Title: P 4304/1918 Persian Gulf: sulphur and limestone deposits; application from Messrs Tate and Sons for a concession Collection Area: India Office Records and Private Papers Languages: English Date Range: 13 Jun 1918-20 Apr 1920 Extent: 1 file