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Guide to Dewey Decimal Classification

Understanding the Dewey Decimal Classification system which is used to organise books in the Library.

100 Philosophy & Psychology

100 covers philosophy, parapsychology and occultism, and psychology.

  • 110 Metaphysics
  • 120 Epistemology
  • 130 Parapsychology & occultism
  • 140 Philosophical schools of thought
  • 150 Psychology
  • 160 Philosophical logic
  • 170 Ethics
  • 180 Ancient, medieval & eastern philosophy
  • 190 Modern western philosophy