Classification
370 - Education
658 - General management
330 - Economics
18
610 - Medicine & health
16
700 - The arts; fine & decorative arts
15
380 - Commerce, communications & transportation
14
000 - Computer science, information & general works
13
333 - Economics of land & energy
13
363 - Other social problems & services
13
320 - Political science
11
600 - Technology
11
140 - Specific philosophical schools
10
620 - Engineering & allied operations
7
576 - Genetics & evolution
6
900 - History & geography
6
400 - Language
5
100 - Philosophy & psychology
4
300 - Social sciences
4
551 - Geology, hydrology & meteorology
4
580 - Plants (Botany)
4
530 - Physics
3
800 - Literature & rhetoric
3
340 - Law
2
500 - Natural sciences & mathematics
2
540 - Chemistry & allied sciences
2
630 - Agriculture & related technologies
2
720 - Architecture
2
120 - Epistemology, causation & humankind
1
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
336 - Public finance
1
410 - Linguistics
1
581 - Specific topics in natural history
1
770 - Photography, photographs & computer art
1
780 - Music
1
791 - Public performances
1