81. IOR/V/20/60 Reference (shelfmark): IOR/V/20/60 Title: Memoirs of the Geological Survey of India, Vol 70. Part 2 No 2 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1940 Extent: 1 volume
82. IOR/V/20/81 Reference (shelfmark): IOR/V/20/81 Title: Memoirs of the Geological Survey of India, Geographical Index to Memoirs Vols 1-54, Records Vols 1-65 and General Reports 1897-1903 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1938 Extent: 1 volume