Classification
600 - Technology
700 - The arts; fine & decorative arts
30
370 - Education
29
330 - Economics
24
333 - Economics of land & energy
24
610 - Medicine & health
24
620 - Engineering & allied operations
24
363 - Other social problems & services
23
900 - History & geography
20
000 - Computer science, information & general works
17
140 - Specific philosophical schools
16
320 - Political science
15
380 - Commerce, communications & transportation
15
100 - Philosophy & psychology
11
400 - Language
8
800 - Literature & rhetoric
7
500 - Natural sciences & mathematics
6
720 - Architecture
6
576 - Genetics & evolution
5
170 - Ethics
4
300 - Social sciences
4
540 - Chemistry & allied sciences
4
551 - Geology, hydrology & meteorology
4
657 - Accounting
4
658 - General management
4
200 - Religion
3
530 - Physics
3
581 - Specific topics in natural history
3
630 - Agriculture & related technologies
3
340 - Law
2
350 - Public administration & military science
2
410 - Linguistics
2
580 - Plants (Botany)
2
780 - Music
2
297 - Islam, Babism & Bahai Faith
1
364 - Criminology
1
398 - Folklore
1
791 - Public performances
1