1. IOR/W/L/PS/21/N4/1B Reference (shelfmark): IOR/W/L/PS/21/N4/1B Title: Sheet 1B KHOI [First Edition] 1922. Scope & Content: Registered 1920. Reg.No.4117. D 20 (D.O.6). 250. Persia boundary coloured. Collection Area: Map Collections Languages: English Date Range: 1922 Extent: 1 sheet