Classification
000 - Computer science, information & general works
120 - Epistemology, causation & humankind
15
100 - Philosophy & psychology
11
140 - Specific philosophical schools
7
900 - History & geography
7
700 - The arts; fine & decorative arts
6
200 - Religion
5
300 - Social sciences
5
800 - Literature & rhetoric
5
170 - Ethics
4
333 - Economics of land & energy
4
500 - Natural sciences & mathematics
4
600 - Technology
4
320 - Political science
3
410 - Linguistics
3
301 - Sociology & anthropology
2
340 - Law
2
363 - Other social problems & services
2
400 - Language
2
620 - Engineering & allied operations
2
160 - Logic
1
330 - Economics
1
370 - Education
1
380 - Commerce, communications & transportation
1
530 - Physics
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
720 - Architecture
1