1. IOR/L/PS/11/196, P 1881/1921 Reference (shelfmark): IOR/L/PS/11/196, P 1881/1921 Title: P 1881/1921 North-West Frontier: Explanation of Mr Vanderlip's passage down the Khyber unnoticed Collection Area: India Office Records and Private Papers Languages: English Date Range: 11 Nov 1920-23 Jan 1923 Extent: 1 file