1. IOR/L/PS/20/B157 Reference (shelfmark): IOR/L/PS/20/B157 Title: Routes in Waziristan, Bannu and Derajat. 1939 New Delhi: General Staff India, 5th edn, 1940 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1940 Extent: viii, 360pp map (in pocket)