Classification
000 - Computer science, information & general works
2
100 - Philosophy & psychology
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
2
200 - Religion
300 - Social sciences
2
301 - Sociology & anthropology
1
320 - Political science
2
330 - Economics
333 - Economics of land & energy
3
363 - Other social problems & services
2
370 - Education
1
400 - Language
2
410 - Linguistics
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
700 - The arts; fine & decorative arts
3
770 - Photography, photographs & computer art
1
780 - Music
1
800 - Literature & rhetoric
4
900 - History & geography
3