Classification
000 - Computer science, information & general works
2
140 - Specific philosophical schools
320 - Political science
330 - Economics
363 - Other social problems & services
380 - Commerce, communications & transportation
700 - The arts; fine & decorative arts
2
720 - Architecture
2
333 - Economics of land & energy
1
370 - Education
1
550 - Earth sciences
1
551 - Geology, hydrology & meteorology
1
600 - Technology
1
610 - Medicine & health
1
900 - History & geography
1