Classification
330 - Economics
3,182
382 - International commerce
72
320 - Political science
63
380 - Commerce, communications & transportation
57
338 - Production
31
381 - Commerce
27
658 - General management
24
300 - Social sciences
17
333 - Economics of land & energy
17
337 - International economics
16
332 - Financial economics
13
340 - Law
13
343 - Military, tax, trade & industrial law
12
900 - History & geography
11
363 - Other social problems & services
9
600 - Technology
9
700 - The arts; fine & decorative arts
8
140 - Specific philosophical schools
7
327 - International relations
6
500 - Natural sciences & mathematics
5
000 - Computer science, information & general works
4
100 - Philosophy & psychology
4
301 - Sociology & anthropology
4
331 - Labor economics
4
610 - Medicine & health
4
657 - Accounting
4
304 - Factors affecting social behavior
3
306 - Culture & institutions
3
339 - Macroeconomics & related topics
3
551 - Geology, hydrology & meteorology
3
302 - Social interaction
2
336 - Public finance
2
361 - Social problems & social welfare in general
2
620 - Engineering & allied operations
2
630 - Agriculture & related technologies
2
670 - Manufacturing
2
800 - Literature & rhetoric
2
001 - Knowledge
1
200 - Religion
1
303 - Social processes
1
341 - Law of nations
1
344 - Labor, social, education & cultural law
1
346 - Private law
1
350 - Public administration & military science
1
364 - Criminology
1
368 - Insurance
1
370 - Education
1
384 - Communications; telecommunication
1
387 - Water, air & space transportation
1
389 - Metrology & standardization
1
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