A Vindication of England's Policy with Regard to the Opium Trade

The Truth about Opium Being a Refutation of the Fallacies of the Anti-Opium Society and a Defence of the Indo-China Opium Trade

Free Trade with India An Enquiry into the True State of the Question at Issue Between His Majesty's Ministers, the Honorable the East India Company, and the Public at Large, on the Justice and Policy of a Free Trade to India