Classification
600 - Technology
3
658 - General management
000 - Computer science, information & general works
2
140 - Specific philosophical schools
2
620 - Engineering & allied operations
2
900 - History & geography
2
320 - Political science
1
330 - Economics
1
333 - Economics of land & energy
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
610 - Medicine & health
1
700 - The arts; fine & decorative arts
1