Classification
620 - Engineering & allied operations
700 - The arts; fine & decorative arts
53
600 - Technology
40
900 - History & geography
28
500 - Natural sciences & mathematics
26
745 - Decorative arts
22
330 - Economics
20
770 - Photography, photographs & computer art
20
630 - Agriculture & related technologies
16
720 - Architecture
15
000 - Computer science, information & general works
14
140 - Specific philosophical schools
13
006 - Special computer methods
12
363 - Other social problems & services
12
370 - Education
12
740 - Drawing & decorative arts
12
300 - Social sciences
11
333 - Economics of land & energy
11
380 - Commerce, communications & transportation
10
686 - Printing & related activities
10
100 - Philosophy & psychology
9
302 - Social interaction
9
320 - Political science
9
384 - Communications; telecommunication
9
400 - Language
9
780 - Music
8
410 - Linguistics
7
610 - Medicine & health
7
658 - General management
7
005 - Computer programming, programs & data
4
301 - Sociology & anthropology
4
530 - Physics
4
576 - Genetics & evolution
4
777 - [Unassigned]
4
778 - Fields & kinds of photography
4
800 - Literature & rhetoric
4
331 - Labor economics
3
340 - Law
3
791 - Public performances
3
808 - Rhetoric & collections of literature
3
153 - Mental processes & intelligence
2
200 - Religion
2
297 - Islam, Babism & Bahai Faith
2
540 - Chemistry & allied sciences
2
551 - Geology, hydrology & meteorology
2
580 - Plants (Botany)
2
621 - Applied physics
2
629 - Other branches of engineering
2
771 - Techniques, equipment & materials
2
781 - General principles & musical forms
2
more ...