DEWEY DECIMAL CLASSIFICATION

• 000 - 099  Generalities

• 100 - 199  Philosophy, parapsychology, occultism, and psychology

• 200 - 299   Religion

• 300 - 399  Social Sciences

• 400 - 499   Language

• 500 - 599  Natural sciences and mathematics (Pure science)

• 600 - 699  Technology (Applied Sciences)

• 700 - 799  The Arts

• 800 - 899   Literature and rhetoric

• 900  -999 Geography, history, and auxiliary disciplines