1. IOR/L/PS/12/4242 Reference (shelfmark): IOR/L/PS/12/4242 Title: Coll 37/11(1) Northern India: Mount Everest; British expeditions 1933-1936 Collection Area: India Office Records and Private Papers Languages: English Date Range: 25 Mar 1931-14 Nov 1936 Extent: 1 file