Classification
900 - History & geography
364 - Criminology
8
320 - Political science
7
300 - Social sciences
4
340 - Law
3
140 - Specific philosophical schools
2
000 - Computer science, information & general works
1
160 - Logic
1
304 - Factors affecting social behavior
1
330 - Economics
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
600 - Technology
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
800 - Literature & rhetoric
1