Classification
140 - Specific philosophical schools
300 - Social sciences
10
700 - The arts; fine & decorative arts
10
900 - History & geography
10
320 - Political science
7
330 - Economics
7
410 - Linguistics
6
333 - Economics of land & energy
5
340 - Law
5
580 - Plants (Botany)
5
800 - Literature & rhetoric
5
000 - Computer science, information & general works
4
363 - Other social problems & services
4
380 - Commerce, communications & transportation
4
500 - Natural sciences & mathematics
4
576 - Genetics & evolution
4
100 - Philosophy & psychology
3
414 - Phonology & phonetics
3
540 - Chemistry & allied sciences
3
551 - Geology, hydrology & meteorology
3
581 - Specific topics in natural history
3
610 - Medicine & health
3
612 - Human physiology
3
620 - Engineering & allied operations
3
400 - Language
2
120 - Epistemology, causation & humankind
1
170 - Ethics
1
200 - Religion
1
301 - Sociology & anthropology
1
370 - Education
1
600 - Technology
1
770 - Photography, photographs & computer art
1