Classification
330 - Economics
332 - Financial economics
86
658 - General management
54
500 - Natural sciences & mathematics
43
620 - Engineering & allied operations
23
000 - Computer science, information & general works
20
368 - Insurance
17
600 - Technology
17
333 - Economics of land & energy
16
700 - The arts; fine & decorative arts
16
338 - Production
15
510 - Mathematics
14
670 - Manufacturing
11
900 - History & geography
11
300 - Social sciences
10
519 - Probabilities & applied mathematics
9
363 - Other social problems & services
8
302 - Social interaction
7
576 - Genetics & evolution
7
381 - Commerce
6
153 - Mental processes & intelligence
5
320 - Political science
5
380 - Commerce, communications & transportation
5
610 - Medicine & health
4
650 - Management & auxiliary services
4
001 - Knowledge
3
005 - Computer programming, programs & data
2
140 - Specific philosophical schools
2
304 - Factors affecting social behavior
2
331 - Labor economics
2
340 - Law
2
540 - Chemistry & allied sciences
2
551 - Geology, hydrology & meteorology
2
170 - Ethics
1
370 - Education
1
400 - Language
1
530 - Physics
1
581 - Specific topics in natural history
1
630 - Agriculture & related technologies
1
720 - Architecture
1
780 - Music
1
800 - Literature & rhetoric
1