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Dewey Decimal Classification (DDC) : 140

First Summary (The Ten Main Classes)

000 : Computers, information, & general works
100 : Philosophy & psychology
200 : Religion
300 : Social sciences
400 : Language
500 : Science
600 : Technology
700 : Arts & recreation
800 : Literature
900 : History & geography

Second Summary (The Hundred Divisions)

100 : Philosophy
110 : Metaphysics
120 : Epistemology
130 : Parapsychology & occultism
140 : Philosophical schools of thought
150 : Psychology
160 : Logic
170 : Ethics
180 : Ancient, medieval & Eastern philosophy
190 : Modern western philosophy


Third Summary (The Thousand Sections)

140 : Specific philosophical schools
141 : Idealism & related systems
142 : Critical philosophy
143 : Bergsonism & intuitionism
144 : Humanism & related systems
145 : Sensationalism
146 : Naturalism & related systems
147 : Pantheism & related systems
148 : Eclecticism, liberalism & traditionalism
149 : Other philosophical systems