Classification
300 - Social sciences
320 - Political science
4
600 - Technology
330 - Economics
2
363 - Other social problems & services
2
610 - Medicine & health
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
304 - Factors affecting social behavior
1
340 - Law
1
370 - Education
1