Classification
000 - Computer science, information & general works
3
100 - Philosophy & psychology
6
300 - Social sciences
4
301 - Sociology & anthropology
1
320 - Political science
1
333 - Economics of land & energy
6
363 - Other social problems & services
1
370 - Education
380 - Commerce, communications & transportation
4
581 - Specific topics in natural history
1
600 - Technology
610 - Medicine & health
2
620 - Engineering & allied operations
1
700 - The arts; fine & decorative arts
3
780 - Music
3
900 - History & geography
2