Số hiệu
300 - Social sciences
15,002
600 - Technology (Applied sciences)
10,220
500 - Natural sciences and mathematics
3,546
100 - Philosophy & psychology
2,560
000 - Computer science, information, general works
1,794
800 - Literature (Belles-lettres) and rhetoric
1,576
900 - History & geography
1,445
700 - The arts
1,100
200 - Religion
802
400 - Language
502