100 Generalities

• 101 Theory of philosophy
• 102 Miscellany of philosophy
• 103 Dictionaries of philosophy
• 104
• 105 Serial publications of philosophy
• 106 Organizations of philosophy
• 107 Education, research in philosophy
• 108 Kinds of persons in philosophy
• 109 Historical treatment of philosophy
• 109.2 Collected treatment of persons

• 110 Metaphysics
• 111 Ontology
• 112
• 113 Cosmology
• 114 Space
• 115 Time
• 116 Change
• 117 Structure
• 118 Force & energy
• 119 Number & quantity

• 120 Epistemology, causation, humankind
• 121 Epistemology
• 122 Causation
• 123 Determinism & indeterminism
• 124 Teleogy
• 125
• 126 The self
• 127 The unconscious & the subconscious
• 128 Humankind
• 129 Origin & destiny of individual souls

• 130 Paranormal phenomena 
  • 130.1 Philosophy and theory
• 131 Occult methods for achieving well-being
• 132
• 133 Parapsychology & occultism 
  • 133.1 Apparitions
  • 133.3 Divinatory arts
  • 133.4 Demonology and witchcraft
  • 133.5 Astrology
  • 133.6 Palmistry
  • 133.8 Psychic phenomena
  • 133.9 Spiritualism
• 134 
• 135 Dreams & mysteries
• 136 
• 137 Divinatory graphology
• 138 Physiognomy
• 139 Phrenology

• 140 Specific philosophical schools
• 141 Idealism & related systems
• 142 Critical philosophy
• 143 Intuitionism & Bergsonism
• 144 Humanism & related systems
• 145 Sensationalism
• 146 Naturalism & related systems
• 147 Pantheism & related systems
• 148 Liberalism, eclecticism, traditionalism
• 149 Other philosophical systems

• 150 Psychology
• 150.1 Philosophy and theory 
  • 150.8 History and description with respect to kinds of persons
  • 150.9 Historical, geographic, persons treatment
• 151
• 152 Perception, movement, emotions, drives
  • 152.1 Sensory perception 
  • 152.3 Movements and motor functions, facial expressions, laterality
  • 152.4 Emotions and feelings
  • 152.5 Physiological drives
  • 152.8 Quantitative threshold, discrimination, reaction-time studies
• 153 Mental processes & intelligence 
  • 153.1 Memory and learning
  • 153.2 Formation and association of ideas
  • 153.3 Imagination and imagery
  • 153.4 Knowledge (Cognition)
  • 153.6 Communication
  • 153.7 Perceptual processes
  • 153.8 Will (Volition)
  • 153.9 Intelligence and aptitudes
• 154 Subconscious & altered states 
  • 154.2 The subconscious
  • 154.3 Daydreams, fantasies, reveries
  • 154.4 Altered states of concsiousness
  • 154.6 Sleep phenomena
  • 154.7 Hypnotism
• 155 Differential & developmental psychology 
  • 155.2 Individual psychology
  • 155.3 Sex psychology and psychology of the sexes
  • 155.4 Child psychology
  • 155.5 Psychology of young adults
  • 155.6 Psychology of adults
  • 155.7 Evolutional psychology
  • 155.8 Ethnopsychology and national psychology
  • 155.9 Environmental psychology
• 156 Comparative psychology
• 157 Abnormal psychology
• 158 Applied psychology 
  • 158.6 Vocational interests
  • 158.7 Industrial psychology
• 159

• 160 Logic.
• 161 Induction
• 162 Deduction
• 163 
• 164 
• 165 Fallacies & sources of error
• 166 Syllogisms
• 167 Hypotheses
• 168 Argument & persuasion
• 169 Analogy

• 170 Ethics 
  • 170.8 History and description with respect to kinds of persons
• 171 Systems & doctrines
• 172 Political ethics
• 173 Ethics of family relationships
• 174 Economic & professional ethics
• 175 Ethics of recreation & leisure
• 176 Ethics of sex & reproduction, abortion
• 177 Ethics of social relations
• 178 Ethics of consumption
• 179 Other ethical norms, euthanasia

• 180 Ancient, mediæval, Oriental philosophy 
  • 180.9 Historical and geographic treatment of ancient philosophy
• 181 Oriental philosophy
• 182 Pre-Socratic Greek philosophies
• 183 Sophistic & Socratic philosophies
• 184 Platonic philosophy
• 185 Aristotelian philosophy
• 186 Skeptic and Neoplatonic philosophies
• 187 Epicurean philosophy
• 188 Stoic philosophy
• 189 Medieval Western philosophy

• 190 Modern Western philosophy 
  • 190.9 Historical and geographic treatment
• 191 United States & Canada
• 192 British Isles
• 193 Germany & Austria
• 194 France
• 195 Italy
• 196 Spain & Portugal
• 197 Soviet Union
• 198 Scandinavia
• 199 Other geographical areas