Classification
000 - Computer science, information & general works
100 - Philosophy & psychology
400 - Language
700 - The arts; fine & decorative arts
300 - Social sciences
5
380 - Commerce, communications & transportation
5
800 - Literature & rhetoric
5
900 - History & geography
5
140 - Specific philosophical schools
4
410 - Linguistics
4
600 - Technology
4
301 - Sociology & anthropology
3
320 - Political science
3
363 - Other social problems & services
3
330 - Economics
2
333 - Economics of land & energy
2
370 - Education
2
581 - Specific topics in natural history
2
780 - Music
2
120 - Epistemology, causation & humankind
1
200 - Religion
1
576 - Genetics & evolution
1
590 - Animals (Zoology)
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
791 - Public performances
1