Classification
140 - Specific philosophical schools
551 - Geology, hydrology & meteorology
700 - The arts; fine & decorative arts
363 - Other social problems & services
34
333 - Economics of land & energy
26
330 - Economics
25
000 - Computer science, information & general works
23
320 - Political science
16
610 - Medicine & health
16
600 - Technology
14
900 - History & geography
14
620 - Engineering & allied operations
12
380 - Commerce, communications & transportation
11
580 - Plants (Botany)
10
581 - Specific topics in natural history
10
370 - Education
8
576 - Genetics & evolution
8
300 - Social sciences
6
414 - Phonology & phonetics
6
658 - General management
5
170 - Ethics
4
540 - Chemistry & allied sciences
4
630 - Agriculture & related technologies
4
304 - Factors affecting social behavior
3
340 - Law
3
500 - Natural sciences & mathematics
3
530 - Physics
3
612 - Human physiology
3
720 - Architecture
3
800 - Literature & rhetoric
3
100 - Philosophy & psychology
2
200 - Religion
2
120 - Epistemology, causation & humankind
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
400 - Language
1