1. IOR/L/PS/10/778/2 Reference (shelfmark): IOR/L/PS/10/778/2 Title: File 5692/1918 Pt 3 Northern Frontier: exploration of Mt Everest; Royal Geographical Society's expedition 1924 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1923-1927 Extent: 1 file / part file