1. IOR/W/L/PS/21/N4/25B Reference (shelfmark): IOR/W/L/PS/21/N4/25B Title: Sheet 25B [QISHM Preliminary Edition] 1913. Scope & Content: Reg.No.2480. D 13 (N.C.) 500. Collection Area: Map Collections Languages: English Date Range: 1913 Extent: Two copies