1. IOR/L/PS/20/B221 Reference (shelfmark): IOR/L/PS/20/B221 Title: Routes in Chitral, Gilgit & Kohistan, 1941 Simla: General Staff India, 4th edn, 1942 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1942 Extent: x, 485pp map (in pocket)