Classification
320 - Political science
700 - The arts; fine & decorative arts
800 - Literature & rhetoric
900 - History & geography
000 - Computer science, information & general works
4
100 - Philosophy & psychology
3
140 - Specific philosophical schools
3
300 - Social sciences
3
301 - Sociology & anthropology
3
330 - Economics
3
410 - Linguistics
3
170 - Ethics
2
200 - Religion
2
333 - Economics of land & energy
2
363 - Other social problems & services
2
400 - Language
2
720 - Architecture
2
780 - Music
2
120 - Epistemology, causation & humankind
1
304 - Factors affecting social behavior
1
340 - Law
1
370 - Education
1
380 - Commerce, communications & transportation
1
398 - Folklore
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
600 - Technology
1
620 - Engineering & allied operations
1
791 - Public performances
1