Classification
330 - Economics
349
320 - Political science
211
340 - Law
75
364 - Criminology
50
338 - Production
24
900 - History & geography
21
658 - General management
17
360 - Social problems & services; associations
16
700 - The arts; fine & decorative arts
14
332 - Financial economics
13
363 - Other social problems & services
13
300 - Social sciences
12
333 - Economics of land & energy
12
170 - Ethics
9
345 - Criminal law
9
500 - Natural sciences & mathematics
9
000 - Computer science, information & general works
8
140 - Specific philosophical schools
7
350 - Public administration & military science
7
820 - English & Old English literatures
7
324 - The political process
6
331 - Labor economics
6
346 - Private law
6
380 - Commerce, communications & transportation
6
800 - Literature & rhetoric
6
370 - Education
5
381 - Commerce
5
001 - Knowledge
3
174 - Occupational ethics
3
551 - Geology, hydrology & meteorology
3
600 - Technology
3
610 - Medicine & health
3
100 - Philosophy & psychology
2
301 - Sociology & anthropology
2
323 - Civil & political rights
2
352 - General considerations of public administration
2
620 - Engineering & allied operations
2
657 - Accounting
2
659 - Advertising & public relations
2
720 - Architecture
2
005 - Computer programming, programs & data
1
006 - Special computer methods
1
160 - Logic
1
172 - Political ethics
1
230 - Christianity & Christian theology
1
260 - Social & ecclesiastical theology
1
297 - Islam, Babism & Bahai Faith
1
302 - Social interaction
1
303 - Social processes
1
304 - Factors affecting social behavior
1
more ...