Classification
000 - Computer science, information & general works
2
100 - Philosophy & psychology
2
301 - Sociology & anthropology
576 - Genetics & evolution
581 - Specific topics in natural history
700 - The arts; fine & decorative arts
300 - Social sciences
1
400 - Language
1
540 - Chemistry & allied sciences
1
600 - Technology
1
900 - History & geography
1