1. IOR/W/L/PS/21/N4/17N Reference (shelfmark): IOR/W/L/PS/21/N4/17N Title: Sheet 17N [SHAHR-I-BABAK Preliminary Edition] 1913. Scope & Content: Reg.No.2687. D 13 (N.C.) 500. Collection Area: Map Collections Languages: English Date Range: 1913 Extent: 1 sheet