91. IOR/V/20/166 Reference (shelfmark): IOR/V/20/166 Title: Records of the Geological Survey of India, Vols 56-57 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1924-1925 Extent: 1 volume
92. IOR/V/20/167 Reference (shelfmark): IOR/V/20/167 Title: Records of the Geological Survey of India, Vol 58 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1925-1926 Extent: 1 volume
93. IOR/V/20/168 Reference (shelfmark): IOR/V/20/168 Title: Records of the Geological Survey of India, Vol 59 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1926 Extent: 1 volume
94. IOR/V/20/169 Reference (shelfmark): IOR/V/20/169 Title: Records of the Geological Survey of India, Vol 60 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1927-1928 Extent: 1 volume
95. IOR/V/20/170 Reference (shelfmark): IOR/V/20/170 Title: Records of the Geological Survey of India, Vol 61 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1928-1929 Extent: 1 volume
96. IOR/V/20/171 Reference (shelfmark): IOR/V/20/171 Title: Records of the Geological Survey of India, Vol 62 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1929-1930 Extent: 1 volume
97. IOR/V/20/172 Reference (shelfmark): IOR/V/20/172 Title: Records of the Geological Survey of India, Vol 63 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1930 Extent: 1 volume
98. IOR/V/20/173 Reference (shelfmark): IOR/V/20/173 Title: Records of the Geological Survey of India, Vol 64 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1930 Extent: 1 volume
99. IOR/V/20/174 Reference (shelfmark): IOR/V/20/174 Title: Records of the Geological Survey of India, Vol 65 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1931-1932 Extent: 1 volume
100. IOR/V/20/175 Reference (shelfmark): IOR/V/20/175 Title: Records of the Geological Survey of India, Vol 66 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1932-1933 Extent: 1 volume