1. IOR/L/PS/11/135, P 2006/1918 Reference (shelfmark): IOR/L/PS/11/135, P 2006/1918 Title: P 2006/1918 Correspondence regarding cipher messages between Belgian Administrator of Customs, Teheran and Belgian Customs Officer, Mohammerah Collection Area: India Office Records and Private Papers Languages: English Date Range: 7 Feb 1918-15 Feb 1918 Extent: 1 file