Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
304 - Factors affecting social behavior
1
320 - Political science
330 - Economics
333 - Economics of land & energy
1
363 - Other social problems & services
380 - Commerce, communications & transportation
550 - Earth sciences
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
610 - Medicine & health
700 - The arts; fine & decorative arts
720 - Architecture
1
900 - History & geography
1