1. IOR/W/L/PS/21/N4/18M Reference (shelfmark): IOR/W/L/PS/21/N4/18M Title: Sheet 18M [FIN Preliminary Edition] 1913. Scope & Content: Registered 1912. Reg.No.2107 D.,12. S.I. 500. Collection Area: Map Collections Languages: English Date Range: 1913 Extent: Two copies