Classification
330 - Economics
2,385
320 - Political science
1,609
340 - Law
683
380 - Commerce, communications & transportation
152
900 - History & geography
110
300 - Social sciences
102
333 - Economics of land & energy
78
630 - Agriculture & related technologies
64
382 - International commerce
56
338 - Production
40
363 - Other social problems & services
36
820 - English & Old English literatures
35
343 - Military, tax, trade & industrial law
31
337 - International economics
27
658 - General management
26
600 - Technology
20
620 - Engineering & allied operations
17
700 - The arts; fine & decorative arts
16
500 - Natural sciences & mathematics
14
381 - Commerce
13
621 - Applied physics
13
610 - Medicine & health
12
304 - Factors affecting social behavior
10
303 - Social processes
9
332 - Financial economics
9
004 - Data processing & computer science
8
006 - Special computer methods
8
550 - Earth sciences
8
650 - Management & auxiliary services
8
331 - Labor economics
7
341 - Law of nations
7
360 - Social problems & services; associations
7
576 - Genetics & evolution
7
670 - Manufacturing
6
660 - Chemical engineering
5
000 - Computer science, information & general works
4
551 - Geology, hydrology & meteorology
4
580 - Plants (Botany)
4
629 - Other branches of engineering
4
640 - Home & family management
4
001 - Knowledge
3
003 - Systems
3
336 - Public finance
3
344 - Labor, social, education & cultural law
3
005 - Computer programming, programs & data
2
140 - Specific philosophical schools
2
301 - Sociology & anthropology
2
327 - International relations
2
370 - Education
2
384 - Communications; telecommunication
2
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