Classification
140 - Specific philosophical schools
340 - Law
600 - Technology
700 - The arts; fine & decorative arts
620 - Engineering & allied operations
10
363 - Other social problems & services
9
380 - Commerce, communications & transportation
8
320 - Political science
7
576 - Genetics & evolution
7
610 - Medicine & health
7
900 - History & geography
7
170 - Ethics
5
333 - Economics of land & energy
5
720 - Architecture
5
304 - Factors affecting social behavior
4
330 - Economics
4
500 - Natural sciences & mathematics
4
580 - Plants (Botany)
4
630 - Agriculture & related technologies
4
300 - Social sciences
3
000 - Computer science, information & general works
2
370 - Education
2
400 - Language
2
540 - Chemistry & allied sciences
2
800 - Literature & rhetoric
2
120 - Epistemology, causation & humankind
1
350 - Public administration & military science
1
361 - Social problems & social welfare in general
1
364 - Criminology
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
581 - Specific topics in natural history
1
612 - Human physiology
1
658 - General management
1