1. IOR/L/PS/20/B298 Reference (shelfmark): IOR/L/PS/20/B298 Title: Strategical considerations affecting the alignment of the North-West Frontier of India [Simla: General Staff India, 1919] Collection Area: India Office Records and Private Papers Languages: English Date Range: 1919 Extent: i, 20pp 4 maps (3 in pocket)