21. IOR/V/20/15 Reference (shelfmark): IOR/V/20/15 Title: Memoirs of the Geological Survey of India, Vol 15 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1880 Extent: 1 volume
22. IOR/V/20/16 Reference (shelfmark): IOR/V/20/16 Title: Memoirs of the Geological Survey of India, Vol 16 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1880 Extent: 1 volume
23. IOR/V/20/17 Reference (shelfmark): IOR/V/20/17 Title: Memoirs of the Geological Survey of India, Vol 17 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1880 Extent: 1 volume
24. IOR/V/20/18 Reference (shelfmark): IOR/V/20/18 Title: Memoirs of the Geological Survey of India, Vol 18 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1881 Extent: 1 volume
25. IOR/V/20/19 Reference (shelfmark): IOR/V/20/19 Title: Memoirs of the Geological Survey of India, Vol 19 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1883 Extent: 1 volume
26. IOR/V/20/20 Reference (shelfmark): IOR/V/20/20 Title: Memoirs of the Geological Survey of India, Vol 20 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1883 Extent: 1 volume
27. IOR/V/20/21 Reference (shelfmark): IOR/V/20/21 Title: Memoirs of the Geological Survey of India, Vol 21 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1884-1885 Extent: 1 volume
28. IOR/V/20/22 Reference (shelfmark): IOR/V/20/22 Title: Memoirs of the Geological Survey of India, Vol 22 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1883 Extent: 1 volume
29. IOR/V/20/23 Reference (shelfmark): IOR/V/20/23 Title: Memoirs of the Geological Survey of India, Vol 23 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1891 Extent: 1 volume
30. IOR/V/20/24 Reference (shelfmark): IOR/V/20/24 Title: Memoirs of the Geological Survey of India, Vol 24 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1887-1890 Extent: 1 volume