Classification
330 - Economics
2,903
320 - Political science
1,699
332 - Financial economics
494
340 - Law
287
658 - General management
207
338 - Production
114
900 - History & geography
102
820 - English & Old English literatures
83
300 - Social sciences
76
333 - Economics of land & energy
71
700 - The arts; fine & decorative arts
68
000 - Computer science, information & general works
64
339 - Macroeconomics & related topics
64
363 - Other social problems & services
39
600 - Technology
39
657 - Accounting
36
620 - Engineering & allied operations
29
368 - Insurance
28
380 - Commerce, communications & transportation
28
610 - Medicine & health
27
551 - Geology, hydrology & meteorology
23
760 - Graphic arts; printmaking & prints
21
500 - Natural sciences & mathematics
19
362 - Social welfare problems & services
18
140 - Specific philosophical schools
17
580 - Plants (Botany)
17
581 - Specific topics in natural history
17
630 - Agriculture & related technologies
17
337 - International economics
15
381 - Commerce
14
570 - Life sciences; biology
12
800 - Literature & rhetoric
12
346 - Private law
10
304 - Factors affecting social behavior
9
331 - Labor economics
9
005 - Computer programming, programs & data
8
364 - Criminology
8
370 - Education
8
297 - Islam, Babism & Bahai Faith
7
336 - Public finance
7
350 - Public administration & military science
7
200 - Religion
6
302 - Social interaction
6
400 - Language
6
001 - Knowledge
5
576 - Genetics & evolution
5
670 - Manufacturing
5
956 - Middle East (Near East)
5
170 - Ethics
4
361 - Social problems & social welfare in general
4
more ...