1. IOR/L/PS/20/B185/1 Reference (shelfmark): IOR/L/PS/20/B185/1 Title: Routes north of the Kabul River. 1927 Simla: General Staff India, 4th edn, 1928 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1928 Extent: xxi, 240pp map (in pocket)