This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.
Under this title is reprinted for the eighth time the five lectures delivered by Freud at the twentieth anniversary of Clarke University, in Worcester, in September, 1909. Freud's visit to America at that time has become a landmark in the history of psychoanalysis, and in reading over these lectures delivered twenty years ago one is struck not only by their lucidity but by the fact that the fundamentals there presented remain today the essential working principles of psychoanalytic therapy.