Classification
000 - Computer science, information & general works
100 - Philosophy & psychology
700 - The arts; fine & decorative arts
410 - Linguistics
6
330 - Economics
5
400 - Language
5
900 - History & geography
5
320 - Political science
4
333 - Economics of land & energy
4
380 - Commerce, communications & transportation
4
300 - Social sciences
3
370 - Education
3
800 - Literature & rhetoric
3
140 - Specific philosophical schools
2
200 - Religion
2
363 - Other social problems & services
2
600 - Technology
2
620 - Engineering & allied operations
2
630 - Agriculture & related technologies
2
770 - Photography, photographs & computer art
2
780 - Music
2
120 - Epistemology, causation & humankind
1
301 - Sociology & anthropology
1
530 - Physics
1
612 - Human physiology
1
720 - Architecture
1