Classification
140 - Specific philosophical schools
333 - Economics of land & energy
10
700 - The arts; fine & decorative arts
9
000 - Computer science, information & general works
7
900 - History & geography
7
330 - Economics
6
600 - Technology
6
363 - Other social problems & services
5
380 - Commerce, communications & transportation
5
576 - Genetics & evolution
5
610 - Medicine & health
5
620 - Engineering & allied operations
5
170 - Ethics
4
320 - Political science
4
340 - Law
4
580 - Plants (Botany)
4
630 - Agriculture & related technologies
4
300 - Social sciences
3
500 - Natural sciences & mathematics
3
800 - Literature & rhetoric
3
410 - Linguistics
2
551 - Geology, hydrology & meteorology
2
658 - General management
2
720 - Architecture
2
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
200 - Religion
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
400 - Language
1
530 - Physics
1
657 - Accounting
1