1. IOR/L/PS/11/174, P 5275/1920 Reference (shelfmark): IOR/L/PS/11/174, P 5275/1920 Title: P 5275/1920 Correspondence regarding the conservation of the waters of the Tigris and Euphrates and the Palestine-Mesopotamia railway Collection Area: India Office Records and Private Papers Languages: English Date Range: 1 Jul 1920-19 Jul 1920 Extent: 1 file