Classification
300 - Social sciences
330 - Economics
157
320 - Political science
155
900 - History & geography
42
658 - General management
35
302 - Social interaction
29
100 - Philosophy & psychology
20
140 - Specific philosophical schools
18
301 - Sociology & anthropology
16
338 - Production
14
340 - Law
11
370 - Education
9
331 - Labor economics
7
700 - The arts; fine & decorative arts
7
000 - Computer science, information & general works
6
500 - Natural sciences & mathematics
6
630 - Agriculture & related technologies
6
670 - Manufacturing
6
304 - Factors affecting social behavior
5
650 - Management & auxiliary services
5
158 - Applied psychology
4
303 - Social processes
3
380 - Commerce, communications & transportation
3
600 - Technology
3
610 - Medicine & health
3
153 - Mental processes & intelligence
2
170 - Ethics
2
200 - Religion
2
352 - General considerations of public administration
2
363 - Other social problems & services
2
780 - Music
2
800 - Literature & rhetoric
2
120 - Epistemology, causation & humankind
1
150 - Psychology
1
155 - Differential & developmental psychology
1
174 - Occupational ethics
1
333 - Economics of land & energy
1
364 - Criminology
1
381 - Commerce
1
384 - Communications; telecommunication
1
973 - United States
1