No.	Title	Date
1	Opium trade : including a sketch of its history, extent, effects, etc. as carried on in India and China
2	The opium trade between India and China in some of its present aspects
3	The Indian opium revenue : its nature and effects
4	The opium revenue : Sir William Muir's minute and other extracts from papers published by the Calcutta Government
5	The opium trade : report of the proceedings of a conference held at the City of London tavern, London, on Friday Nov. 13 1874
6	The truth about opium : being a refutation of the fallacies of the Anti-Opium Society and a defence of the Indo-China opium trade
7	The medical aspect of the opium question
8	Opium : has it any use, other than a strictly medical one?