Classification
320 - Political science
330 - Economics
380 - Commerce, communications & transportation
720 - Architecture
363 - Other social problems & services
5
700 - The arts; fine & decorative arts
5
900 - History & geography
5
333 - Economics of land & energy
4
370 - Education
4
600 - Technology
4
000 - Computer science, information & general works
3
551 - Geology, hydrology & meteorology
3
610 - Medicine & health
3
140 - Specific philosophical schools
2
200 - Religion
1
550 - Earth sciences
1
580 - Plants (Botany)
1
620 - Engineering & allied operations
1
658 - General management
1