Dewey Decimal Classification System
System used to sort non-fiction books.
Dewy Decimal Numbers
000-generalities
100-philosophy
200-reigion
300-social sciences
400-languages
500-science and math
600-people using science and technology
800-literature
900-geography and history
100-philosophy
200-reigion
300-social sciences
400-languages
500-science and math
600-people using science and technology
800-literature
900-geography and history
Organise your books !
Melvol Dewey
Melvol Dewey invented the dewey decimal system