1. IOR/W/L/PS/21/N4/23A Reference (shelfmark): IOR/W/L/PS/21/N4/23A Title: Sheet 23A [TURAN Preliminary Edition] 1917. Scope & Content: Reg.No.1093. D 17 (D.O.6). 200. Collection Area: Map Collections Languages: English Date Range: 1917 Extent: Two copies