21. 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
22. 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
23. 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
24. 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
25. 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
26. IOR/V/20/25 Reference (shelfmark): IOR/V/20/25 Title: Memoirs of the Geological Survey of India, Vol 25 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1895 Extent: 1 volume
27. IOR/V/20/26 Reference (shelfmark): IOR/V/20/26 Title: Memoirs of the Geological Survey of India, Vol 26 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1896 Extent: 1 volume
28. IOR/V/20/27 Reference (shelfmark): IOR/V/20/27 Title: Memoirs of the Geological Survey of India, Vol 27 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1898 Extent: 1 volume
29. IOR/V/20/28 Reference (shelfmark): IOR/V/20/28 Title: Memoirs of the Geological Survey of India, Vol 28 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1898-1900 Extent: 1 volume
30. IOR/V/20/29 Reference (shelfmark): IOR/V/20/29 Title: Memoirs of the Geological Survey of India, Vol 29 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1899 Extent: 1 volume