Classification
320 - Political science
330 - Economics
363 - Other social problems & services
304 - Factors affecting social behavior
3
333 - Economics of land & energy
2
610 - Medicine & health
2
000 - Computer science, information & general works
1
300 - Social sciences
1
336 - Public finance
1
370 - Education
1
380 - Commerce, communications & transportation
1
600 - Technology
1
700 - The arts; fine & decorative arts
1