1. IOR/L/PS/11/202, P 4578/1921 Reference (shelfmark): IOR/L/PS/11/202, P 4578/1921 Title: P 4578/1921 Hedjaz: preparations for an offensive against Khalid Collection Area: India Office Records and Private Papers Languages: English Date Range: 8 Oct 1921-11 Oct 1921 Extent: 1 file