1. IOR/L/PS/11/201, P 3990/1921 Reference (shelfmark): IOR/L/PS/11/201, P 3990/1921 Title: P 3990/1921 Aden: requirements of the Idrisi, nickel and copper Collection Area: India Office Records and Private Papers Languages: English Date Range: 25 Sep 1919-2 Feb 1922 Extent: 1 file