Classification
120 - Epistemology, causation & humankind
100 - Philosophy & psychology
18
170 - Ethics
7
900 - History & geography
7
200 - Religion
5
320 - Political science
5
400 - Language
4
530 - Physics
4
140 - Specific philosophical schools
3
300 - Social sciences
3
370 - Education
3
380 - Commerce, communications & transportation
3
700 - The arts; fine & decorative arts
3
340 - Law
2
000 - Computer science, information & general works
1
160 - Logic
1
333 - Economics of land & energy
1
350 - Public administration & military science
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
600 - Technology
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
791 - Public performances
1
800 - Literature & rhetoric
1