
Essays which state the fundamentals of Jung’s psychological system: “On the Psychology of the Unconscious” and “The Relations Between the Ego and the Unconscious,” with their original versions in an appendix.

The Interpretation of Dreams is a book by psychoanalyst Sigmund Freud. The publication inaugurated the theory of Freudian dream analysis and introduces his theory of the unconscious with respect to dream interpretation.

Three Contributions to the Theory of Sex, is a 1905 work by Sigmund Freud which advanced his theory of sexuality, in particular its relation to childhood. Freud sought to link to his theory of the unconscious put forward in The…