Classification
337 - International economics
247
330 - Economics
124
327 - International relations
116
338 - Production
92
320 - Political science
37
339 - Macroeconomics & related topics
36
332 - Financial economics
34
658 - General management
31
333 - Economics of land & energy
27
343 - Military, tax, trade & industrial law
21
300 - Social sciences
17
382 - International commerce
17
304 - Factors affecting social behavior
15
306 - Culture & institutions
13
336 - Public finance
11
381 - Commerce
9
303 - Social processes
8
331 - Labor economics
7
341 - Law of nations
7
363 - Other social problems & services
7
305 - Social groups
6
380 - Commerce, communications & transportation
6
650 - Management & auxiliary services
6
301 - Sociology & anthropology
5
340 - Law
5
630 - Agriculture & related technologies
5
500 - Natural sciences & mathematics
4
621 - Applied physics
4
170 - Ethics
3
174 - Occupational ethics
3
302 - Social interaction
3
361 - Social problems & social welfare in general
3
613 - Personal health & safety
3
614 - Incidence & prevention of disease
3
006 - Special computer methods
2
307 - Communities
2
347 - Civil procedure & courts
2
368 - Insurance
2
577 - Ecology
2
900 - History & geography
2
004 - Data processing & computer science
1
070 - News media, journalism & publishing
1
322 - Relation of state to organized groups
1
344 - Labor, social, education & cultural law
1
519 - Probabilities & applied mathematics
1
530 - Physics
1
549 - Mineralogy
1
551 - Geology, hydrology & meteorology
1
601 - Philosophy & theory
1
610 - Medicine & health
1
more ...