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159.9650 a- Psychology
159.9(075)a- Psychology v- Textbooks
159.9(077)a- Psychology x- Study and teaching
159.9(09)a- Psychology x- History
159.9:0/9Applied psychology
159.9:2Psychology, Religious
159.9:316Social psychology
159.9:32Political psychology
159.9:331Psychology, Industrial
159.9:34Legal psychology
159.9:355Military psychology
159.9:37Educational psychology
159.9:4Psycholinguistics
159.9:51a- Psychology x- Mathematical models
159.9:61Medical psychology
159.9:62Engineering psychology
159.9:7a- Creative ability x-Psychological aspects
a Creation (Literary, artistic, etc.) |x Psychological aspects
159.9:796Sport psychology
159.9:8a Creation (Literary, artistic, etc.) |x Psychological aspects
159.91Psychophysiology
159.92Comparative psychology.
Genetic psychology
159.922Differential psychology
Differentiation (Developmental psychology)
159.922.1a Sex role |x Psychological aspects
a- Human beings |x Sexual behavior
159.922.4Ethnic psychology
159.922.6a- Aging x- Psychological aspects
159.922.7Child psychology
159.923Personality
a- Individuality x- Physiological aspects
159.923.2Maturation (Psychology)
Self-consciousness (Awareness)
Personality development
159.923.3Character
Psychographics
Graphology
159.923.4Temperament
159.924Genius
159.925Body language
Gesture
159.929Biopsychology
Psychology, comparative
Instinct
159.93Senses and sensation
159.938Psychophysics
159.94Effector functions
159.942Emotions
159.943Motor function
159.947Will
Choice
159.95Higher mental processes
159.952Attention
Interests
159.953Memory
Learning
159.954Fantasy
Imagination
159.955Thought and thinking
159.956Intuition
159.96Special mental states and processes 
159.961Parapsychology
Occultism.
159.962Hypnotism
Mesmerism. 
159.963Hallucinations
Sleep
Dreaming
Somnambulism
159.964.2Psychoanalysis
159.97Abnormal psychology
16Logic
Theory of knowledge
Methodology of logic 
161/162Fundamentals of logic
164Logistic. Symbolic logic. Mathematical logic. Logical calculus
165Theory of knowledge. Epistemology
167/168Logical methodology
17Ethics
171Individual ethics
172Social ethics
173Family ethics
174Professional ethics
176Sexual ethics. Sexual morality
177Ethics and society
18Aesthetics
18(075)/(077)Aesthetics–Study and teaching
Aesthetics–Study and teaching–Methodology
18(09)Aesthetics–History
18(3)Aesthetics, Ancient
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