How psychoanalysis itself looks at the psychological side of its teaching The present edition presents one of the main works of the outstanding psychologist and thinker Sigmund Freud (1856-1939)'Main psychological theories in psychoanalysis', Identifying and identifying the most important , Basic Concepts and Theories of Classical Psychoanalysis , Essay on the history of psychoanalysis? about the first decades of the emergence and development of the psychoanalytic movement Essay on the history of psychoanalysis . - A few remarks about the concept of 'unconscious'. Two Principles of Mental Activity . - Displacement. - Attractions and their fate . - Unconscious. - Metapsychological addition to the doctrine of dreams . - Sadness and melancholy . - Difficulty in the way of psychoanalysis . - On the transformation of cravings in particular anal erotica . Other selected editions of Sigmund Freud on the site: Psychology of the unconscious (Collection) Lectures on the introduction to psychoanalysis Interpretation of dreams (Audiobook) Artist and fantasy Letters to the bride