Số hiệu
300 - Social sciences
6,398
200 - Religion
84
600 - Technology (Applied sciences)
83
900 - History & geography
30
100 - Philosophy & psychology
29
000 - Computer science, information, general works
22
800 - Literature (Belles-lettres) and rhetoric
17
500 - Natural sciences and mathematics
13
700 - The arts
10
400 - Language
3