Classification
100 - Philosophy & psychology
400 - Language
333 - Economics of land & energy
2
000 - Computer science, information & general works
1
300 - Social sciences
1
301 - Sociology & anthropology
1
370 - Education
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
600 - Technology
1
610 - Medicine & health
1
700 - The arts; fine & decorative arts
1