ডাক সংখ্যা
300 - Social sciences
46
400 - Language
29
600 - Technology (Applied sciences)
27
200 - Religion
12
700 - The arts
10
100 - Philosophy & psychology
7
800 - Literature (Belles-lettres) and rhetoric
7
000 - Computer science, information, general works
6
500 - Natural sciences and mathematics
5
900 - History & geography
5