Classification
000 - Computer science, information & general works
320 - Political science
330 - Economics
333 - Economics of land & energy
363 - Other social problems & services
50
700 - The arts; fine & decorative arts
50
600 - Technology
34
380 - Commerce, communications & transportation
27
551 - Geology, hydrology & meteorology
26
140 - Specific philosophical schools
19
620 - Engineering & allied operations
17
900 - History & geography
17
610 - Medicine & health
16
370 - Education
14
630 - Agriculture & related technologies
14
300 - Social sciences
13
340 - Law
10
576 - Genetics & evolution
9
581 - Specific topics in natural history
9
658 - General management
8
304 - Factors affecting social behavior
7
100 - Philosophy & psychology
5
530 - Physics
5
800 - Literature & rhetoric
5
200 - Religion
4
301 - Sociology & anthropology
4
500 - Natural sciences & mathematics
4
580 - Plants (Botany)
4
720 - Architecture
4
170 - Ethics
3
400 - Language
3
410 - Linguistics
3
414 - Phonology & phonetics
3
657 - Accounting
3
297 - Islam, Babism & Bahai Faith
2
361 - Social problems & social welfare in general
2
540 - Chemistry & allied sciences
2
550 - Earth sciences
2
120 - Epistemology, causation & humankind
1
350 - Public administration & military science
1