Classification
530 - Physics
100 - Philosophy & psychology
17
700 - The arts; fine & decorative arts
11
900 - History & geography
7
333 - Economics of land & energy
5
120 - Epistemology, causation & humankind
4
500 - Natural sciences & mathematics
3
140 - Specific philosophical schools
2
300 - Social sciences
2
363 - Other social problems & services
2
370 - Education
2
400 - Language
2
576 - Genetics & evolution
2
600 - Technology
2
620 - Engineering & allied operations
2
200 - Religion
1
301 - Sociology & anthropology
1
320 - Political science
1
410 - Linguistics
1
520 - Astronomy & allied sciences
1
551 - Geology, hydrology & meteorology
1
610 - Medicine & health
1
800 - Literature & rhetoric
1