744. SIGMUND FREUD (1856 - 1939) Austrian neurologist and the founder of psychoanalysis, he theorized that repressed and forgotten impressions underlie all abnormal mental states, developed a theory of the relevance of dreams, and conceived the idea of the id, ego and superego. A.L.S., in German, 1p, 8vo., Vienna, June 6, 1925, to his friend, writer Arthur Schnitzler whom Freud admired greatly. Translated, he writes: "Monday the 29th of this month, would be just right for me because it's the last day I'll be spending in Vienna before Summer vacation. I can receive you at 3 in the afternoon, if a thoroughly wrecked room doesn't bother you, Cordially your Freud". Fine. $3000-$5000        $3,000 - 4,000