Dewey Decimal Classification System

The Dewey Decimal Classification system, created by Melvil Dewey to classify library materials, organizes human knowledge into ten main classes or topic areas. These ten general topic areas are represented by numbers:

Cardinal Stritch University Library
 000 Generalities
100 Philosophy
200 Religion
300 Social sciences
400 Language
500 Natural sciences & mathematics
600 Technology (Applied sciences)
700 The Arts
800 Literature & rhetoric
900 Geography & history

These general categories break down into more specific categories.
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