Classification
000 - Computer science, information & general works
612 - Human physiology
610 - Medicine & health
30
700 - The arts; fine & decorative arts
30
580 - Plants (Botany)
23
333 - Economics of land & energy
19
600 - Technology
16
363 - Other social problems & services
15
380 - Commerce, communications & transportation
15
140 - Specific philosophical schools
14
540 - Chemistry & allied sciences
13
414 - Phonology & phonetics
12
500 - Natural sciences & mathematics
11
620 - Engineering & allied operations
9
630 - Agriculture & related technologies
9
551 - Geology, hydrology & meteorology
7
581 - Specific topics in natural history
7
330 - Economics
5
576 - Genetics & evolution
4
100 - Philosophy & psychology
3
300 - Social sciences
3
361 - Social problems & social welfare in general
3
615 - Pharmacology & therapeutics
3
900 - History & geography
3
800 - Literature & rhetoric
2
320 - Political science
1
340 - Law
1
370 - Education
1
658 - General management
1
720 - Architecture
1
780 - Music
1