Yer Numarası
300 - Social sciences
41
900 - History & geography
32
800 - Literature (Belles-lettres) and rhetoric
6
000 - Computer science, information, general works
5
500 - Natural sciences and mathematics
3
700 - The arts
3
200 - Religion
2
600 - Technology (Applied sciences)
2
100 - Philosophy & psychology
1
400 - Language
1