Here is a list of psychology topics from the Library of Congress Classification System.
Subclass BF
BF1-990 Psychology
BF38-64 Philosophy. Relation to other topics
BF173-175.5 Psychoanalysis
BF176-176.5 Psychological tests and testing
BF180-198.7 Experimental psychology
BF203 Gestalt psychology
BF207-209 Psychotropic drugs and other substances
BF231-299 Sensation. Aesthesiology
BF309-499 Consciousness. Cognition. Including learning, attention, comprehension, memory, imagination, genius, intelligence, thought and thinking, psycholinguistics, mental fatigue
BF501-505 Motivation
BF511-593 Affection. Feeling. Emotion
BF608-635 Will. Volition. Choice. Control
BF636-637 Applied psychology
BF638-648 New Thought. Menticulture, etc.
BF660-685 Comparative psychology. Animal and human psychology
BF692-692.5 Psychology of sex. Sexual behavior
BF697-697.5 Differential psychology. Individuality. Self
BF698-698.9 Personality
BF699-711 Genetic psychology
BF712-724.85 Developmental psychology. Including infant psychology, child psychology, adolescence, adulthood
BF725-727 Class psychology
BF795-839 Temperament. Character
BF839.8-885 Physiognomy. Phrenology
BF889-905 Graphology. Study of handwriting
BF908-940 The hand. Palmistry
BF1001-1389 Parapsychology
BF1001-1045 Psychic research. Psychology of the conscious
BF1048-1108 Hallucinations. Sleep. Dreaming. Visions
BF1111-1156 Hypnotism. Suggestion. Mesmerism. Subliminal projection
BF1161-1171 Telepathy. Mind reading. Thought transference
BF1228-1389 Spiritualism. Including mediumship, spirit messages, clairvoyance