Classification
551 - Geology, hydrology & meteorology
000 - Computer science, information & general works
14
580 - Plants (Botany)
12
610 - Medicine & health
12
363 - Other social problems & services
10
700 - The arts; fine & decorative arts
10
576 - Genetics & evolution
8
581 - Specific topics in natural history
8
333 - Economics of land & energy
6
140 - Specific philosophical schools
5
380 - Commerce, communications & transportation
5
600 - Technology
4
612 - Human physiology
4
620 - Engineering & allied operations
4
630 - Agriculture & related technologies
4
300 - Social sciences
3
414 - Phonology & phonetics
3
500 - Natural sciences & mathematics
3
540 - Chemistry & allied sciences
3
900 - History & geography
3
720 - Architecture
2
800 - Literature & rhetoric
2
304 - Factors affecting social behavior
1
340 - Law
1
364 - Criminology
1
400 - Language
1