1. IOR/V/27/625/8 Reference (shelfmark): IOR/V/27/625/8 Title: India. Papers relating to the opium question. Calcutta, 1870; India. Papers relating to the opium question. Supplement. Calcutta, 1872 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1870-1872 Extent: 1 volume