Classification
000 - Computer science, information & general works
14
380 - Commerce, communications & transportation
612 - Human physiology
580 - Plants (Botany)
9
363 - Other social problems & services
8
610 - Medicine & health
8
700 - The arts; fine & decorative arts
8
414 - Phonology & phonetics
7
140 - Specific philosophical schools
6
333 - Economics of land & energy
6
540 - Chemistry & allied sciences
5
551 - Geology, hydrology & meteorology
5
581 - Specific topics in natural history
5
300 - Social sciences
3
500 - Natural sciences & mathematics
3
576 - Genetics & evolution
3
600 - Technology
3
620 - Engineering & allied operations
3
630 - Agriculture & related technologies
3
100 - Philosophy & psychology
2
330 - Economics
2
800 - Literature & rhetoric
2
361 - Social problems & social welfare in general
1
615 - Pharmacology & therapeutics
1
658 - General management
1