21. IOR/V/27/625/20 Reference (shelfmark): IOR/V/27/625/20 Title: Bengal. Board of Revenue, The opium manual. Part 4: Tables... Bihar. Calcutta, 1893 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1893 Extent: 1 volume
22. IOR/V/27/625/21 Reference (shelfmark): IOR/V/27/625/21 Title: Bengal. Board of Revenue, The opium manual. Part 4: Table 3 only... Bihar. 1896 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1896 Extent: 1 volume
23. IOR/V/27/625/22 Reference (shelfmark): IOR/V/27/625/22 Title: Bengal. Board of Revenue, The opium manual. Vol 1: The laws relating to opium and the rules and orders... Bihar. Calcutta, 1905 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1905 Extent: 1 volume
24. IOR/V/27/625/23 Reference (shelfmark): IOR/V/27/625/23 Title: Bengal. Board of Revenue, The opium manual. Vol 2: District procedure (rules)... Bihar. Calcutta, 1907 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1907 Extent: 1 volume
25. IOR/V/27/625/24 Reference (shelfmark): IOR/V/27/625/24 Title: Bengal. Board of Revenue, The opium manual. Vol 3: District procedure (forms)... Bihar. Calcutta, 1907 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1907 Extent: 1 volume
26. IOR/V/27/625/25 Reference (shelfmark): IOR/V/27/625/25 Title: Bengal. Board of Revenue, The opium manual. Vol 4: Factory procedure (rules)... Patna. Calcutta, 1905 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1905 Extent: 1 volume
27. IOR/V/27/625/26 Reference (shelfmark): IOR/V/27/625/26 Title: Bengal. Board of Revenue, The opium manual. Vol 5: Factory procedure (forms)... Patna. Calcutta, 1905 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1905 Extent: 1 volume
28. IOR/V/27/625/27 Reference (shelfmark): IOR/V/27/625/27 Title: Bengal. Board of Revenue, The opium manual. Vol 6: T laws relating to opium... United Provinces. Calcutta, 1906 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1906 Extent: 1 volume
29. IOR/V/27/625/28 Reference (shelfmark): IOR/V/27/625/28 Title: Bengal. Board of Revenue, The opium manual. Vol 7: District procedure (rules)... Benares. Calcutta, 1906 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1906 Extent: 1 volume
30. IOR/V/27/625/29 Reference (shelfmark): IOR/V/27/625/29 Title: Bengal. Board of Revenue, The opium manual. Vol 8: District procedure (forms)... Benares. Calcutta, 1906 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1906 Extent: 1 volume