Sigmund Freud wrote foundational works of psychoanalysis about dreams, memory, sexuality, childhood, neurosis and the workings of unconscious mental life. The Interpretation of Dreams sets out his method of reading dreams as disguised expressions of wishes and conflict, combining theory with detailed examples and self-analysis. Three Essays on the Theory of Sexuality develops his account of psychosexual development, while Introductory Lectures on Psycho-Analysis presents many of his central ideas in a more accessible lecture form. Civilization and Its Discontents moves from clinical psychology towards culture, asking how social order depends on restricting human drives and why that creates persistent dissatisfaction. Freud's terminology and many of his scientific claims remain historically influential but heavily debated, so modern readers often approach him through psychology, intellectual history and cultural theory rather than as a current clinical authority. The Introductory Lectures provide the easiest broad entry point; The Interpretation of Dreams shows his method at greatest length. Read more Less