1. IOR/W/L/PS/21/N4/9B 1923 Reference (shelfmark): IOR/W/L/PS/21/N4/9B 1923 Title: Sheet 9B HAMADAN Second Edition 1923. Scope & Content: Registered 1922. Reg.No.2536. D 22 (D.O.6). 500. Collection Area: Map Collections Languages: English Date Range: 1923 Extent: Two copies