1. IOR/W/L/PS/21/N4/31C 1922 Reference (shelfmark): IOR/W/L/PS/21/N4/31C 1922 Title: Sheet 31C CHAHBAR Third Preliminary Edition 1922. Scope & Content: Reg.No.2611. D 22 (D.O.6). 300. Collection Area: Map Collections Languages: English Date Range: 1922 Extent: 1 sheet