Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
600 - Technology
700 - The arts; fine & decorative arts
75
620 - Engineering & allied operations
46
610 - Medicine & health
43
333 - Economics of land & energy
42
330 - Economics
39
380 - Commerce, communications & transportation
34
900 - History & geography
33
363 - Other social problems & services
29
370 - Education
20
320 - Political science
15
400 - Language
14
576 - Genetics & evolution
14
630 - Agriculture & related technologies
14
658 - General management
13
100 - Philosophy & psychology
11
720 - Architecture
10
361 - Social problems & social welfare in general
7
410 - Linguistics
7
500 - Natural sciences & mathematics
7
551 - Geology, hydrology & meteorology
7
170 - Ethics
6
540 - Chemistry & allied sciences
6
580 - Plants (Botany)
6
340 - Law
5
581 - Specific topics in natural history
5
612 - Human physiology
5
800 - Literature & rhetoric
5
300 - Social sciences
4
200 - Religion
3
530 - Physics
3
780 - Music
3
160 - Logic
2
414 - Phonology & phonetics
2
615 - Pharmacology & therapeutics
2
657 - Accounting
2
120 - Epistemology, causation & humankind
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
770 - Photography, photographs & computer art
1