Classification
330 - Economics
363 - Other social problems & services
600 - Technology
620 - Engineering & allied operations
11
700 - The arts; fine & decorative arts
11
630 - Agriculture & related technologies
10
333 - Economics of land & energy
7
300 - Social sciences
4
140 - Specific philosophical schools
3
540 - Chemistry & allied sciences
3
551 - Geology, hydrology & meteorology
3
610 - Medicine & health
3
100 - Philosophy & psychology
2
301 - Sociology & anthropology
2
320 - Political science
2
414 - Phonology & phonetics
2
900 - History & geography
2
170 - Ethics
1
200 - Religion
1
304 - Factors affecting social behavior
1
350 - Public administration & military science
1
580 - Plants (Botany)
1