Classification
610 - Medicine & health
700 - The arts; fine & decorative arts
115
600 - Technology
87
000 - Computer science, information & general works
73
333 - Economics of land & energy
67
620 - Engineering & allied operations
63
900 - History & geography
54
363 - Other social problems & services
47
140 - Specific philosophical schools
45
580 - Plants (Botany)
40
380 - Commerce, communications & transportation
33
330 - Economics
32
500 - Natural sciences & mathematics
21
540 - Chemistry & allied sciences
19
630 - Agriculture & related technologies
18
370 - Education
15
551 - Geology, hydrology & meteorology
14
576 - Genetics & evolution
14
320 - Political science
13
615 - Pharmacology & therapeutics
11
530 - Physics
10
720 - Architecture
9
400 - Language
8
304 - Factors affecting social behavior
7
340 - Law
7
414 - Phonology & phonetics
7
658 - General management
7
800 - Literature & rhetoric
7
170 - Ethics
6
100 - Philosophy & psychology
5
300 - Social sciences
3
410 - Linguistics
3
550 - Earth sciences
2
581 - Specific topics in natural history
2
200 - Religion
1
361 - Social problems & social welfare in general
1
612 - Human physiology
1
780 - Music
1