Classification
000 - Computer science, information & general works
320 - Political science
363 - Other social problems & services
658 - General management
330 - Economics
7
333 - Economics of land & energy
7
700 - The arts; fine & decorative arts
4
551 - Geology, hydrology & meteorology
3
600 - Technology
2
610 - Medicine & health
2
620 - Engineering & allied operations
2
140 - Specific philosophical schools
1
300 - Social sciences
1
304 - Factors affecting social behavior
1
340 - Law
1
370 - Education
1
550 - Earth sciences
1
576 - Genetics & evolution
1
630 - Agriculture & related technologies
1
900 - History & geography
1