51. IOR/V/20/61 Reference (shelfmark): IOR/V/20/61 Title: Memoirs of the Geological Survey of India, Vol 71 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1937 Extent: 1 volume
52. IOR/V/20/64 Reference (shelfmark): IOR/V/20/64 Title: Memoirs of the Geological Survey of India, Vol 73 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1939 Extent: 1 volume
53. IOR/V/20/67 Reference (shelfmark): IOR/V/20/67 Title: Memoirs of the Geological Survey of India, Vol 75 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1940 Extent: 1 volume
54. IOR/V/20/71 Reference (shelfmark): IOR/V/20/71 Title: Memoirs of the Geological Survey of India, Vol 77 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1947 Extent: 1 volume
55. IOR/V/20/72 Reference (shelfmark): IOR/V/20/72 Title: Memoirs of the Geological Survey of India, Vol 78 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1941 Extent: 1 volume
56. IOR/V/20/73 Reference (shelfmark): IOR/V/20/73 Title: Memoirs of the Geological Survey of India, Vol 79 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1953 Extent: 1 volume
57. IOR/V/20/74 Reference (shelfmark): IOR/V/20/74 Title: Memoirs of the Geological Survey of India, Vol 80 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1951 Extent: 1 volume
58. IOR/V/20/75 Reference (shelfmark): IOR/V/20/75 Title: Memoirs of the Geological Survey of India, Vol 81 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1953 Extent: 1 volume
59. IOR/V/20/76 Reference (shelfmark): IOR/V/20/76 Title: Memoirs of the Geological Survey of India, Vol 82 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1953 Extent: 1 volume
60. IOR/V/20/77 Reference (shelfmark): IOR/V/20/77 Title: Memoirs of the Geological Survey of India, Vol 83 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1955 Extent: 1 volume