Postlethwayt spent 20 years preparing
The Universal Dictionary of Trade and Commerce, London, 1751 (3rd edit. London, 1766; 4th edit. London, 1774), a translation, with large additions, from the French work of
Jacques Savary des Brûlons. Postlethwayt drew on Savary's work and
Richard Cantillion as well as other writers of the day, and clarified how economic theory applied to economic and political issues current then. •
Considerations on the making of Bar Iron with Pitt or Sea Coal Fire, &c. In a Letter to a Member of the House of Commons, London, 1747. •
Considerations on the Revival of the Royal-British Assiento, between his Catholic Majesty and the … South-Sea Company. With an … attempt to unite the African-Trade to that of the South-Sea Company, by Act of Parliament, London, 1749. • ''The Merchant's Public Counting House, or New Mercantile Institution'', &c., London, 1750. •
A Short State of the Progress of the French Trade and Navigation, &c., London, 1756. • ''Great Britain's True System. … To which is prefixed an Introduction relative to the Forming a New Plan of British Politicks with respect to our Foreign Affairs'', &c., London, 1757. • ''Britain's Commercial Interest explained and improved, in a Series of Dissertations on several important Branches of her Trade and Police. … Also … the Advantages which would accrue … from an Union with Ireland'', 2 vols., London, 1757; 2nd edit., 'With ... a clear View of the State of our Plantations in America', &c., London, 1759. •
In Honour to the Administration. The importance of the African Expedition considered, &c., London, 1758.
E. A. J. Johnson devotes a chapter in his work
Predecessors of Adam Smith: The Growth of British Economic Thought (1937, reprint 1960) to Malachy Postlethwayt,
Postlethwayt, the Publicist, p. 185-205. ==References==