1. IOR/W/L/PS/21/N4/23B Reference (shelfmark): IOR/W/L/PS/21/N4/23B Title: Sheet 23B [PIR-I-HAJAT Preliminary Edition] 1917. Scope & Content: Reg.No.1155. D 17 (D.O.6). 150. Collection Area: Map Collections Languages: English Date Range: 1917 Extent: Two copies