1. IOR/W/L/PS/21/N4/30D Reference (shelfmark): IOR/W/L/PS/21/N4/30D Title: Sheet 30D [DEHAK First Edition] 1915. Scope & Content: Registered 1914. Reg.No.190 D.D.D.-1914–S.I.–500.Three copies. Collection Area: Map Collections Languages: English Date Range: 1915 Extent: Three copies