The Dewey Decimal System of classification was created in 1876 by a librarian named Melvil
all the knowledge of the world into 10 main disciplines. Then he gave each main
discipline of knowledge a number between 000
Dewey then subdivided each main discipline into smaller related topics and
gave each of these topics a number. The smaller more specific topics were given
Click on any of the the ten
main disciplines to see
how the Dewey Decimal Classification system works.