Classification
364 - Criminology
340 - Law
9
300 - Social sciences
8
500 - Natural sciences & mathematics
7
330 - Economics
6
320 - Political science
5
331 - Labor economics
5
658 - General management
5
140 - Specific philosophical schools
3
363 - Other social problems & services
3
370 - Education
3
005 - Computer programming, programs & data
2
000 - Computer science, information & general works
1
200 - Religion
1
301 - Sociology & anthropology
1
303 - Social processes
1
333 - Economics of land & energy
1
338 - Production
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
380 - Commerce, communications & transportation
1
600 - Technology
1
670 - Manufacturing
1
800 - Literature & rhetoric
1
900 - History & geography
1