Classification
000 - Computer science, information & general works
700 - The arts; fine & decorative arts
163
333 - Economics of land & energy
117
600 - Technology
108
330 - Economics
63
620 - Engineering & allied operations
60
500 - Natural sciences & mathematics
58
576 - Genetics & evolution
55
580 - Plants (Botany)
54
610 - Medicine & health
53
363 - Other social problems & services
52
540 - Chemistry & allied sciences
45
900 - History & geography
44
380 - Commerce, communications & transportation
42
530 - Physics
36
140 - Specific philosophical schools
33
551 - Geology, hydrology & meteorology
24
414 - Phonology & phonetics
23
340 - Law
21
630 - Agriculture & related technologies
15
720 - Architecture
15
658 - General management
14
581 - Specific topics in natural history
13
800 - Literature & rhetoric
13
304 - Factors affecting social behavior
10
612 - Human physiology
10
320 - Political science
9
300 - Social sciences
5
400 - Language
5
370 - Education
3
410 - Linguistics
3
160 - Logic
2
361 - Social problems & social welfare in general
2
170 - Ethics
1
332 - Financial economics
1
550 - Earth sciences
1
615 - Pharmacology & therapeutics
1
657 - Accounting
1