11. 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
12. IOR/V/27/625/39 Reference (shelfmark): IOR/V/27/625/39 Title: Burma. Financial Commissioner, The Burma opium manual, 1904... corrected up to 1 November 1904. Rangoon, 1904 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1904 Extent: 1 volume
13. IOR/V/27/625/44 Reference (shelfmark): IOR/V/27/625/44 Title: India. Financial Department, Papers relating to the cultivation and consumption of opium in China. Calcutta, 1879 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1879 Extent: 1 volume
14. IOR/V/27/625/7 Reference (shelfmark): IOR/V/27/625/7 Title: Impey, Elijah, A report on the cultivation, preparation and adulteration of Malwa opium. Bombay, 1848 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1848 Extent: 1 volume
15. IOR/V/27/625/36 Reference (shelfmark): IOR/V/27/625/36 Title: Bombay. Opium Department, The Bombay opium manual, Corrected up to 1 April 1924. Bombay, 1925 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1925 Extent: 1 volume
16. IOR/V/27/625/15 Reference (shelfmark): IOR/V/27/625/15 Title: Bengal. Board of Revenue, The opium manual. Part 2: District procedure... Benares. Calcutta, 1891 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1891 Extent: 1 volume
17. IOR/V/27/625/16 Reference (shelfmark): IOR/V/27/625/16 Title: Bengal. Board of Revenue, The opium manual. Part 3: Factory procedure... Ghazipur. Calcutta, 1891 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1891 Extent: 1 volume
18. IOR/V/27/625/18 Reference (shelfmark): IOR/V/27/625/18 Title: Bengal. Board of Revenue, The opium manual. Part 2: District procedure... Bihar. Calcutta, 1892 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1892 Extent: 1 volume
19. IOR/V/27/625/19 Reference (shelfmark): IOR/V/27/625/19 Title: Bengal. Board of Revenue, The opium manual. Part 3: Factory procedure... Patna. Calcutta, 1892 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1892 Extent: 1 volume
20. 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