1. IOR/W/L/PS/21/N4/3M 1917 (1) Reference (shelfmark): IOR/W/L/PS/21/N4/3M 1917 (1) Title: Sheet 3M [AMARAH] Rough Provisional Issue, Fourth Edition 1917. Scope & Content: SDO No.1993 Aug 1917. Registered 1915. Reg.No.2412. D 15 (D.O.6). 4850. Collection Area: Map Collections Languages: English Date Range: 1917 Extent: Two copies