Classification
000 - Computer science, information & general works
1
100 - Philosophy & psychology
2
140 - Specific philosophical schools
1
300 - Social sciences
301 - Sociology & anthropology
304 - Factors affecting social behavior
1
320 - Political science
3
333 - Economics of land & energy
2
363 - Other social problems & services
1
370 - Education
2
380 - Commerce, communications & transportation
4
400 - Language
1
600 - Technology
3
610 - Medicine & health
2
630 - Agriculture & related technologies
1
700 - The arts; fine & decorative arts
2
720 - Architecture
1
900 - History & geography
2