Sygnatura
600 - Technology (Applied sciences)
46
900 - History & geography
28
300 - Social sciences
22
500 - Natural sciences and mathematics
18
000 - Computer science, information, general works
11
200 - Religion
7
700 - The arts
5
800 - Literature (Belles-lettres) and rhetoric
5
400 - Language
4
100 - Philosophy & psychology
2