The Dewey Decimal Classification System is structured around ten main classes, each of them described with a numerical code of three digits, 000–900. Here we have listed the ten main classes together with a selection of more specific codes:
000 General works
004–006 Computer science
100 Philosophy & psychology
200 Religion
300 Social sciences
320 Political science
330 Economics
340 Law
370 Education
400 Language
500 Science & mathematics
600 Technology
610 Medicine & health
650 Management & auxiliary services
700 Arts & sports
800 Literature
900 History & geography
See all DDC shelving codes used by Linköping University Library:
Hyllsigneringsschema för böcker (PDF) (Shelving system for books)