Classification
791 - Public performances
300 - Social sciences
2
363 - Other social problems & services
2
700 - The arts; fine & decorative arts
2
900 - History & geography
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
333 - Economics of land & energy
1
338 - Production
1
530 - Physics
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
610 - Medicine & health
1
658 - General management
1