DEWEY Decimal Classification System

The System was named after Mevil Dewey

The DEWEY decimal classification system has 10 main catergories which are listed below.....

000-Generalities
100-Philosophy & Psychology
200-Religion
300-Social Sciences
400-Language
500-Natural sciences & Mathematics
600-Technology (applied sciences)
700-The arts
800-Literature & Rhetoric
900-Geography & History