Classification
000 - Computer science, information & general works
340 - Law
140 - Specific philosophical schools
3
320 - Political science
3
330 - Economics
3
333 - Economics of land & energy
3
700 - The arts; fine & decorative arts
3
363 - Other social problems & services
2
300 - Social sciences
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
370 - Education
1
380 - Commerce, communications & transportation
1
500 - Natural sciences & mathematics
1
530 - Physics
1
576 - Genetics & evolution
1
600 - Technology
1
900 - History & geography
1