Classification
000 - Computer science, information & general works
100 - Philosophy & psychology
400 - Language
6
700 - The arts; fine & decorative arts
6
333 - Economics of land & energy
5
370 - Education
4
140 - Specific philosophical schools
3
300 - Social sciences
3
320 - Political science
3
330 - Economics
3
340 - Law
3
380 - Commerce, communications & transportation
3
500 - Natural sciences & mathematics
3
576 - Genetics & evolution
3
600 - Technology
3
120 - Epistemology, causation & humankind
2
301 - Sociology & anthropology
2
363 - Other social problems & services
2
410 - Linguistics
2
610 - Medicine & health
2
658 - General management
2
780 - Music
2
170 - Ethics
1
530 - Physics
1
581 - Specific topics in natural history
1
612 - Human physiology
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
720 - Architecture
1
900 - History & geography
1