Classification
000 - Computer science, information & general works
300 - Social sciences
330 - Economics
900 - History & geography
320 - Political science
3
800 - Literature & rhetoric
3
301 - Sociology & anthropology
2
333 - Economics of land & energy
2
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
400 - Language
2
410 - Linguistics
2
700 - The arts; fine & decorative arts
2
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
1
200 - Religion
1
304 - Factors affecting social behavior
1
340 - Law
1