This history of international monetary thought from the end of the nineteenth century to the middle of the twentieth century provides the most comprehensive survey of the literature on the theory of international finance yet produced. The author argues that progress in the field has not been linear and classifies the literature according to groupings of ideas and personalities rather than chronologically. After a brief survey of the Classical doctrines, she examines the developments of all the main schools through the Neoclassicals, the Keynesians, and the New Classicals.