Classification
658 - General management
000 - Computer science, information & general works
10
610 - Medicine & health
6
700 - The arts; fine & decorative arts
6
330 - Economics
4
333 - Economics of land & energy
4
363 - Other social problems & services
4
005 - Computer programming, programs & data
3
500 - Natural sciences & mathematics
3
576 - Genetics & evolution
3
580 - Plants (Botany)
3
600 - Technology
3
320 - Political science
2
340 - Law
2
380 - Commerce, communications & transportation
2
620 - Engineering & allied operations
2
900 - History & geography
2
140 - Specific philosophical schools
1
304 - Factors affecting social behavior
1
370 - Education
1
400 - Language
1
550 - Earth sciences
1
551 - Geology, hydrology & meteorology
1
581 - Specific topics in natural history
1
630 - Agriculture & related technologies
1