Classification
340 - Law
370 - Education
600 - Technology
330 - Economics
8
620 - Engineering & allied operations
7
700 - The arts; fine & decorative arts
7
333 - Economics of land & energy
6
900 - History & geography
6
000 - Computer science, information & general works
5
140 - Specific philosophical schools
5
320 - Political science
5
363 - Other social problems & services
5
300 - Social sciences
4
380 - Commerce, communications & transportation
4
100 - Philosophy & psychology
3
304 - Factors affecting social behavior
3
170 - Ethics
2
301 - Sociology & anthropology
2
400 - Language
2
530 - Physics
2
120 - Epistemology, causation & humankind
1
200 - Religion
1
500 - Natural sciences & mathematics
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
610 - Medicine & health
1
657 - Accounting
1
658 - General management
1
720 - Architecture
1
780 - Music
1