Classification
330 - Economics
363 - Other social problems & services
333 - Economics of land & energy
10
000 - Computer science, information & general works
7
320 - Political science
7
380 - Commerce, communications & transportation
7
700 - The arts; fine & decorative arts
7
600 - Technology
5
610 - Medicine & health
5
370 - Education
4
900 - History & geography
4
140 - Specific philosophical schools
3
658 - General management
3
720 - Architecture
3
304 - Factors affecting social behavior
2
340 - Law
2
551 - Geology, hydrology & meteorology
2
620 - Engineering & allied operations
2
301 - Sociology & anthropology
1
350 - Public administration & military science
1
414 - Phonology & phonetics
1
530 - Physics
1
576 - Genetics & evolution
1
657 - Accounting
1