Classification
330 - Economics
918
900 - History & geography
256
338 - Production
192
320 - Political science
119
300 - Social sciences
101
339 - Macroeconomics & related topics
67
332 - Financial economics
62
658 - General management
49
333 - Economics of land & energy
36
100 - Philosophy & psychology
26
337 - International economics
26
500 - Natural sciences & mathematics
16
336 - Public finance
15
381 - Commerce
15
940 - History of Europe
15
306 - Culture & institutions
14
301 - Sociology & anthropology
12
380 - Commerce, communications & transportation
12
331 - Labor economics
11
363 - Other social problems & services
11
304 - Factors affecting social behavior
10
382 - International commerce
10
140 - Specific philosophical schools
9
700 - The arts; fine & decorative arts
9
000 - Computer science, information & general works
8
302 - Social interaction
8
327 - International relations
8
340 - Law
8
630 - Agriculture & related technologies
8
600 - Technology
7
800 - Literature & rhetoric
7
909 - World history
7
941 - British Isles
7
001 - Knowledge
6
610 - Medicine & health
6
943 - Central Europe; Germany
6
170 - Ethics
5
335 - Socialism & related systems
5
670 - Manufacturing
5
303 - Social processes
4
307 - Communities
4
657 - Accounting
4
947 - Eastern Europe; Russia
4
951 - China & adjacent areas
4
200 - Religion
3
325 - International migration & colonization
3
350 - Public administration & military science
3
361 - Social problems & social welfare in general
3
370 - Education
3
384 - Communications; telecommunication
3
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