While Freud did not explicitly make this claim, one may regard Beyond the Pleasure Principle (1920) as the first, still somewhat tentative resolution of the troubling theoretical problem he had raised in the paper on narcissism (see above, pp. 545-62). The Ego and the Id, published three years later, was his second, definitive response. He now replaced the pairing of driveslibidinal and egoistic-that had served him for more than a decade of psychoanalvtic theorizing and that he had called into q ...