100-199

100 – Philosophy and psychology

 * **100 [|Philosophy]**
 * 100 Miscellany of philosophy & psychology
 * 101 [|Theory of philosophy]
 * 102 Miscellany of philosophy
 * 103 Dictionaries of philosophy
 * //104 No longer used—formerly Essays//
 * 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]
 * **110 [|Metaphysics]**
 * 110 Metaphysics
 * 111 [|Ontology]
 * //112 No longer used—formerly [|Methodology]//
 * 113 [|Cosmology] ([|Philosophy of nature])
 * 114 [|Space]
 * 115 [|Time]
 * 116 [|Change]
 * 117 Structure
 * 118 Force & Energy
 * 119 Number & quantity
 * **120 [|Epistemology], [|causation], humankind**
 * 120 Epistemology, causation & humankind
 * 121 Epistemology (Theory of knowledge)
 * 122 [|Causation]
 * 123 [|Determinism] & [|indeterminism]
 * 124 [|Teleology]
 * //125 No longer used—formerly [|Infinity]//
 * 126 [|The self]
 * 127 The unconscious & the subconscious
 * 128 [|Humankind]
 * 129 Origin & destiny of individual souls
 * **130 [|Paranormal] phenomena**
 * 130 Parapsychology & occultism
 * 131 Occult methods for achieving well-being
 * //132 No longer used—formerly Mental derangements//
 * 133 [|Parapsychology] & [|occultism]
 * //134 No longer used—formerly [|Mesmerism] and [|Clairvoyance]//
 * 135 [|Dreams] & mysteries
 * //136 No longer used—formerly Mental characteristics//
 * 137 Divinatory [|graphology]
 * 138 [|Physiognomy]
 * 139 [|Phrenology]
 * **140 Specific [|philosophical schools]**
 * 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 Psychology
 * //151 No longer used—formerly Intellect//
 * 152 [|Perception], [|movement], [|emotions], [|drives]
 * 153 Mental processes & [|intelligence]
 * 154 [|Subconscious] & [|altered states]
 * 155 [|Differential] & [|developmental psychology]
 * 156 [|Comparative psychology]
 * //157 No longer used—formerly [|Emotions]//
 * 158 [|Applied psychology]
 * //159 No longer used—formerly Will//
 * **160 [|Logic]**
 * 160 Logic
 * 161 [|Induction]
 * 162 [|Deduction]
 * //163 Not assigned or no longer used//
 * //164 Not assigned or no longer used//
 * 165 [|Fallacies] & sources of error
 * 166 [|Syllogisms]
 * 167 [|Hypotheses]
 * 168 [|Argument] & [|persuasion]
 * 169 [|Analogy]
 * **170 [|Ethics] (Moral philosophy)**
 * 170 Ethics
 * 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]
 * 177 Ethics of [|social relations]
 * 178 Ethics of [|consumption]
 * 179 Other ethical norms
 * **180 [|Ancient], [|medieval], [|Oriental philosophy]**
 * 180 Ancient, medieval & eastern 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]** ([|19th-century], [|20th-century])
 * 190 Modern western philosophy
 * 191 [|Modern Western philosophy United States] & Canada
 * 192 [|Modern Western philosophy British Isles]
 * 193 [|Modern Western philosophy Germany] & Austria
 * 194 [|Modern Western philosophy France]
 * 195 [|Modern Western philosophy Italy]
 * 196 Modern Western philosophy Spain & Portugal
 * 197 [|Modern Western philosophy Soviet Union]
 * 198 Modern Western philosophy Scandinavia
 * 199 Modern Western philosophy Other geographical areas