Classification
000 - Computer science, information & general works
300 - Social sciences
320 - Political science
2
330 - Economics
2
600 - Technology
170 - Ethics
1
304 - Factors affecting social behavior
1
340 - Law
1
363 - Other social problems & services
1
370 - Education
1
380 - Commerce, communications & transportation
1
620 - Engineering & allied operations
1
700 - The arts; fine & decorative arts
1
900 - History & geography
1