Classification
000 - Computer science, information & general works
100 - Philosophy & psychology
170 - Ethics
140 - Specific philosophical schools
6
340 - Law
4
120 - Epistemology, causation & humankind
3
600 - Technology
3
900 - History & geography
3
200 - Religion
2
320 - Political science
2
410 - Linguistics
2
576 - Genetics & evolution
2
610 - Medicine & health
2
700 - The arts; fine & decorative arts
2
800 - Literature & rhetoric
2
300 - Social sciences
1
333 - Economics of land & energy
1
364 - Criminology
1
370 - Education
1
380 - Commerce, communications & transportation
1
400 - Language
1
500 - Natural sciences & mathematics
1
530 - Physics
1