Classification
330 - Economics
11,434
332 - Financial economics
1,240
320 - Political science
610
658 - General management
428
333 - Economics of land & energy
403
363 - Other social problems & services
270
338 - Production
255
000 - Computer science, information & general works
169
610 - Medicine & health
152
380 - Commerce, communications & transportation
146
304 - Factors affecting social behavior
126
336 - Public finance
118
339 - Macroeconomics & related topics
116
600 - Technology
103
700 - The arts; fine & decorative arts
73
381 - Commerce
58
368 - Insurance
53
340 - Law
46
370 - Education
42
346 - Private law
39
300 - Social sciences
38
630 - Agriculture & related technologies
38
620 - Engineering & allied operations
37
900 - History & geography
35
500 - Natural sciences & mathematics
33
140 - Specific philosophical schools
31
551 - Geology, hydrology & meteorology
31
657 - Accounting
31
331 - Labor economics
27
153 - Mental processes & intelligence
26
580 - Plants (Botany)
21
576 - Genetics & evolution
17
800 - Literature & rhetoric
17
302 - Social interaction
15
158 - Applied psychology
14
650 - Management & auxiliary services
12
670 - Manufacturing
12
382 - International commerce
11
001 - Knowledge
9
337 - International economics
9
361 - Social problems & social welfare in general
9
510 - Mathematics
8
581 - Specific topics in natural history
8
170 - Ethics
6
350 - Public administration & military science
6
720 - Architecture
6
303 - Social processes
5
343 - Military, tax, trade & industrial law
5
384 - Communications; telecommunication
5
410 - Linguistics
5
more ...