Classification
363 - Other social problems & services
600 - Technology
610 - Medicine & health
700 - The arts; fine & decorative arts
900 - History & geography
620 - Engineering & allied operations
30
333 - Economics of land & energy
25
720 - Architecture
11
380 - Commerce, communications & transportation
9
580 - Plants (Botany)
9
140 - Specific philosophical schools
8
330 - Economics
8
000 - Computer science, information & general works
6
551 - Geology, hydrology & meteorology
5
630 - Agriculture & related technologies
5
320 - Political science
4
370 - Education
4
800 - Literature & rhetoric
4
100 - Philosophy & psychology
3
300 - Social sciences
3
540 - Chemistry & allied sciences
3
576 - Genetics & evolution
3
170 - Ethics
2
340 - Law
2
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
360 - Social problems & services; associations
1
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
1
530 - Physics
1
658 - General management
1