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