Classification
580 - Plants (Botany)
000 - Computer science, information & general works
12
551 - Geology, hydrology & meteorology
8
581 - Specific topics in natural history
7
700 - The arts; fine & decorative arts
7
363 - Other social problems & services
6
610 - Medicine & health
6
630 - Agriculture & related technologies
6
620 - Engineering & allied operations
5
333 - Economics of land & energy
4
600 - Technology
4
900 - History & geography
4
330 - Economics
3
380 - Commerce, communications & transportation
3
140 - Specific philosophical schools
2
612 - Human physiology
2
800 - Literature & rhetoric
2
304 - Factors affecting social behavior
1
320 - Political science
1
336 - Public finance
1
340 - Law
1
370 - Education
1
400 - Language
1
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
1
576 - Genetics & evolution
1
658 - General management
1