An Unabridged Edition to include, but not limited to: Introduction to Translation – Author's Preface to the Second Edition – Author's Preface to the Third Edition – The Sexual Aberrations – Deviation in Reference to the Sexual Object – Inversion – The Behavior of Inverts – Conception of Inversion – Degeneration – Innateness – Explanation of Inversion – The Relation of Bisexuality – The Sexual Object of Inverts – The Sexual Aim of Inverts – The Sexually Immature and Animals as Sexual Objects – Deviation in Reference to the Sexual Aim – Anatomical Transgression – Overestimation of the Sexual Object – Sexual Utilization of the Mucous Membrane of the Lips and Mouth – Sexual Utilization of the Anal Opening – The Significance of Other Parts of the Body – Unfit Substitutes for the Sexual Object – Fetichism – Fixation of Precursory Sexual Aims – The Appearance of New Intentions – Touching and Looking – Sadism and Masochism – General Statements Applicable To All Perversions – Variation and Disease – The Psychic Participation in the Perversions – Two Results – The Sexual Impulse in Neurotics – Psychoanalysis – Results of Psychoanalysis – Neurosis and Perversion – Partial Impulses and Erogenous Zone – Explanation of the Manifest Preponderance of Sexual Perversions in the Psychoneuroses – Reference to the Infantilism of Sexuality – The Infantile Sexuality – The Neglect of the Infantile – Infantile Amnesia – The Sexual Latency Period of Childhood & Its Interruptions – The Sexual Inhibition – Reaction Formation and Sublimation – The Manifestations of the Infantile Sexuality – Thumbsucking – Autoerotism – The Sexual Aim of the Infantile Sexuality – The Characters of the Erogenous Zones – The Infantile Sexual Aim – The Masturbatic Sexual Manifestations – The Activity of the Anal Zone – The Activity of the Genital Zone – The Return of the Infantile Masturbation – Polymorphous–Perverse Disposition – Partial Impulses – The Infantile Sexual Investigation – Inquisitiveness – The Riddle of the Sphinx – The Castration Complex – Birth Theories – Sadistic Conception of the Sexual Act – The Typical Failure of the Infantile Sexual Investigation – The Phases of Development of the Sexual Organization – Pregenital Organizations – Ambivalence – The Two Periods of Object Selection – The Sources of the Infantile Sexuality – Mechanical Excitation – Muscular Activity – Affective Processes – Intellectual Work – Diverse Sexual Constitutions – The Paths of Opposite Influences – The Transformation of Puberty – The Primacy of the Genital Zones and the Fore–Pleasure – The Sexual Tension – Fore–pleasure Mechanism – Dangers of the Fore–pleasure – The Problem of Sexual Excitement – The Rôle of the Sexual Substance – Overestimation of the Internal Genitals – Chemical Theories – The Theory of the Libido – Differentiation Between Man and Woman – The Leading Zones in Man and Woman – The Object–Finding – The Sexual Object of the Nursing Period – Infantile Fear – Incest Barriers – The After Effects of the Infantile Object Selection – Prevention of Inversion – Summary – The Factors Disturbing the Development – Constitution and Heredity – Further Elaboration – Repression – Sublimation – Accidental Experiences – Prematurity – Temporal Factors – Adhesion – Fixation